[Kde-winbuild] Build error in kdesupport/kdewin-installer on mingw4 in revision 1122387

[kdewinbuild at googlemail.com]

The full log can be found here: http://winkde.org/pub/kde/ports/win32/releases/nightly/20100504/logs/log-mingw4-kdesupport_kdewin-installer.txt

C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:36: error: invalid use of member (did you forget the '&' ?)
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:36: error: base operand of '->' is not a pointer
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:37: error: invalid use of member (did you forget the '&' ?)
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:37: error: base operand of '->' is not a pointer
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:38: error: no matching function for call to 'InstallPage::setLayout(<unresolved overloaded function type>)'
C:\kde\kde-mingw4\include/QtGui/qwidget.h:544: note: candidates are: void QWidget::setLayout(QLayout*)
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp: In member function 'virtual void InstallPage::performAction()':
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:63: error: invalid use of incomplete type 'struct QAbstractButton'
C:\kde\kde-mingw4\include\QtGui/qwizard.h:55: error: forward declaration of 'struct QAbstractButton'
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:64: error: invalid use of incomplete type 'struct QAbstractButton'
C:\kde\kde-mingw4\include\QtGui/qwizard.h:55: error: forward declaration of 'struct QAbstractButton'
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:69: error: invalid use of incomplete type 'struct QAbstractButton'
C:\kde\kde-mingw4\include\QtGui/qwizard.h:55: error: forward declaration of 'struct QAbstractButton'
C:\kde\download\svn\trunk\kdesupport\kdewin-installer\gui\installpage.cpp:70: error: invalid use of incomplete type 'struct QAbstractButton'
C:\kde\kde-mingw4\include\QtGui/qwizard.h:55: error: forward declaration of 'struct QAbstractButton'
mingw32-make[2]: *** [gui/themes/main/CMakeFiles/kdewin-installer-gui.dir/__/__/installpage.cpp.obj] Error 1
mingw32-make[1]: *** [gui/themes/main/CMakeFiles/kdewin-installer-gui.dir/all] Error 2
mingw32-make: *** [all] Error 2
emerge fatal error: while running make cmd: mingw32-make -j2
emerge fatal error: running python c:\kde\kde-mingw4\emerge\portage\kdesupport\kdewin-installer\kdewin-installer-0.9.6.py compile