Add missing QVector include
Summary:
My build was failing with
In file included from /home/nico/kde/src/ark/kerfuffle/pluginmanager.cpp:28: /home/nico/kde/src/ark/kerfuffle/pluginmanager.h:138:22: error: field ‘m_plugins’ has incomplete type ‘QVector<Kerfuffle::Plugin*>’ QVector<Plugin*> m_plugins; ^~~~~~~~~ In file included from /usr/include/qt/QtCore/qglobal.h:1204, from /usr/include/qt/QtCore/qnamespace.h:43, from /usr/include/qt/QtCore/qobjectdefs.h:48, from /usr/include/qt/QtCore/qobject.h:46, from /usr/include/qt/QtCore/QObject:1, from /home/nico/kde/src/ark/kerfuffle/plugin.h:33, from /home/nico/kde/src/ark/kerfuffle/pluginmanager.h:31, from /home/nico/kde/src/ark/kerfuffle/pluginmanager.cpp:28
Test Plan: Builds. Can open a file
Reviewers: Ark, elvisangelaccio
Reviewed By: Ark, elvisangelaccio
Subscribers: kde-utils-devel, Ark
Tags: Ark
Differential Revision: https://phabricator.kde.org/D22461