This should fix some random segfaults
It needs to be tested to make sure that interfaces still work,
e.g. kate/kwrite interfaces in interface/ktexteditor
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1218078 283d02a7-25f6-0310-bc7c-ecb5cbfe19da