https://qt.gitorious.org/qt/qtbase/commit/158f39ec7870c54ff3a15f72fe151062d6daa172 This change is Qt4/Qt5 neutral.
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d