Fix Qxt for Qt5?
BUG: 486


git-svn-id: http://cantata.googlecode.com/svn/trunk@4856 b1e49159-3266-923f-9c3e-04f16369770a
Match settings from CMakeLists.txt


git-svn-id: http://cantata.googlecode.com/svn/trunk@4857 b1e49159-3266-923f-9c3e-04f16369770a