kdevplatform build: plugins/patchreview compilation error

[Aleksey Midenkov]

In today's trunk build:

[ 80%] Building CXX object
plugins/patchreview/CMakeFiles/kdevpatchreview.dir/patchreview.cpp.o
In file included from
/home/midenok/src/kde/kdevelop/trunk/kdevplatform/plugins/patchreview/patchreview.cpp:33:0:
/usr/include/libkomparediff2/diffsettings.h:22:25: fatal error:
QtGui/QWidget: No such file or directory
compilation terminated.

$ dpkg -S QtGui/QWidget
libqt4-dev: /usr/include/qt4/QtGui/QWidgetAction
libqt4-dev: /usr/include/qt4/QtGui/QWidgetItem
qtbase5-dev:amd64: /usr/include/x86_64-linux-gnu/qt5/QtGui/QWidgetList
libqt4-dev: /usr/include/qt4/QtGui/QWidget
qtbase5-dev:amd64: /usr/include/x86_64-linux-gnu/qt5/QtGui/QWidgetSet
qtbase5-dev:amd64: /usr/include/x86_64-linux-gnu/qt5/QtGui/QWidgetMapper
libqt4-dev: /usr/include/qt4/QtGui/QWidgetMapper
libqt4-dev: /usr/include/qt4/QtGui/QWidgetItemV2
libqt4-dev: /usr/include/qt4/QtGui/QWidgetSet
libqt4-dev: /usr/include/qt4/QtGui/QWidgetData
libqt4-dev: /usr/include/qt4/QtGui/QWidgetList

Is it OK that QtGui/QWidget is only available in Qt4? I suppose,
kdevplatform compiles against Qt5 now.