diff --git a/kmymoney/plugins/kbanking/gwenkdegui.cpp b/kmymoney/plugins/kbanking/gwenkdegui.cpp
index 2abaa6fb1..7959ceb9a 100644
--- a/kmymoney/plugins/kbanking/gwenkdegui.cpp
+++ b/kmymoney/plugins/kbanking/gwenkdegui.cpp
@@ -1,156 +1,156 @@
 /*
  * A gwenhywfar gui for aqbanking using KDE widgets
  * Copyright 2014 - 2016 Christian David <christian-david@web.de>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License or (at your option) version 3 or any later version
  * accepted by the membership of KDE e.V. (or its successor approved
  * by the membership of KDE e.V.), which shall act as a proxy
  * defined in Section 14 of version 3 of the license.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 
 #include "gwenkdegui.h"
 
 #include <gwenhywfar/debug.h>
 
 
 #include <QString>
 #include <QStringList>
 #include <QRegularExpression>
 
 #include <QDebug>
 #include <QPointer>
 
 #include "widgets/chiptandialog.h"
 
 gwenKdeGui::gwenKdeGui()
     : QT5_Gui()
 {
 
 }
 
 gwenKdeGui::~gwenKdeGui()
 {
 
 }
 
 
 
 int gwenKdeGui::getPasswordText(uint32_t flags,
                                 const char *token,
                                 const char *title,
                                 const char *text,
                                 char *buffer,
                                 int minLen,
                                 int maxLen,
                                 GWEN_GUI_PASSWORD_METHOD methodId,
                                 GWEN_DB_NODE *methodParams,
                                 uint32_t guiid) {
   return QT5_Gui::getPassword(flags, token, title, text, buffer, minLen, maxLen, methodId, methodParams, guiid);
 }
 
 
 
 int gwenKdeGui::getPasswordHhd(uint32_t /*flags*/,
                                const char * /*token*/,
                                const char * /*title*/,
                                const char *text,
                                char *buffer,
                                int minLen,
                                int maxLen,
                                GWEN_GUI_PASSWORD_METHOD /*methodId*/,
                                GWEN_DB_NODE *methodParams,
                                uint32_t /*guiid*/) {
   QString hhdCode;
   QString infoText;
   const char *sChallenge;
 
   sChallenge=GWEN_DB_GetCharValue(methodParams, "challenge", 0, NULL);
   if (! (sChallenge && *sChallenge)) {
     DBG_ERROR(0, "Empty optical data");
     return GWEN_ERROR_NO_DATA;
   }
 
   hhdCode = QString::fromUtf8(sChallenge);
   infoText = QString::fromUtf8(text);
 
   //! @todo: Memory leak?
   QPointer<chipTanDialog> dialog = new chipTanDialog(getParentWidget());
   dialog->setInfoText(infoText);
   dialog->setHhdCode(hhdCode);
   dialog->setTanLimits(minLen, maxLen);
 
   const int rv = dialog->exec();
 
   if (rv == chipTanDialog::Rejected)
     return GWEN_ERROR_USER_ABORTED;
   else if (rv == chipTanDialog::InternalError || dialog.isNull())
     return GWEN_ERROR_INTERNAL;
 
   QString tan = dialog->tan();
   if (tan.length() >= minLen && tan.length() <= maxLen) {
     strncpy(buffer, tan.toUtf8().constData() , tan.length());
     buffer[tan.length()] = 0;
     return 0;
   }
   qDebug("Received Tan with incorrect length by ui.");
   return GWEN_ERROR_INTERNAL;
 }
 
 
 
 
 int gwenKdeGui::getPassword(uint32_t flags, const char* token, const char* title, const char* text, char* buffer,
                             int minLen, int maxLen,
                             GWEN_GUI_PASSWORD_METHOD methodId,
                             GWEN_DB_NODE *methodParams,
                             uint32_t guiid)
 {
 
 
   switch( (methodId & GWEN_Gui_PasswordMethod_Mask)) {
   case GWEN_Gui_PasswordMethod_Unknown:
   case GWEN_Gui_PasswordMethod_Mask:
     DBG_ERROR(0, "Invalid password method id %08x", methodId);
     return GWEN_ERROR_INVALID;
 
   case GWEN_Gui_PasswordMethod_Text:
     return getPasswordText(flags,
                            token,
                            title,
                            text,
                            buffer,
                            minLen,
                            maxLen,
                            methodId, methodParams,
                            guiid);
 
   case GWEN_Gui_PasswordMethod_OpticalHHD:
     return getPasswordHhd(flags,
-			  token,
-			  title,
-			  text,
-			  buffer,
-			  minLen,
-			  maxLen,
-			  methodId, methodParams,
-			  guiid);
+                          token,
+                          title,
+                          text,
+                          buffer,
+                          minLen,
+                          maxLen,
+                          methodId, methodParams,
+                          guiid);
 
     /* intentionally omit "default:" here to be informed when new password methods are added to
      * gwen which have not been implemented. */
   }
 
   DBG_ERROR(0, "Unhandled password method id %08x", methodId);
   return GWEN_ERROR_INVALID;
 }