Use QString::replace(QChar, QString) in place of QString::replace(QRegEx…

Authored by rizzitello on Jun 3 2019, 7:51 PM.

Description

Use QString::replace(QChar, QString) in place of QString::replace(QRegEx, QString) in LogWidget::appendSLog

Signed-off-by: Chris Rizzitello <rizzitello@kde.org>