Fix drag and drop regression introduced by Qt updated.
Fix drag and drop regression introduced by Qt updated.

* Qt commit "Drag and drop icon does not update correctly on Windows." f6bf4b2baa91e55f40596bf3f2823b119fdfa5e0 introduced the issue.

feld/mumble,unascribed/mumble,chiefdome/mumble-code,LuAPi/mumble,austinliou/mumble,Lartza/mumble,bheart/mumble,chiefdome/mumble-code,richard227/mumble,LuAPi/mumble,panaschieren/mumble-test,Keridos/mumble,LuAPi/mumble,SuperNascher/mumble,Keridos/mumble,Natenom/mumble,panaschieren/mumble-test,Zopieux/mumble,panaschieren/mumble-test,chiefdome/mumble-code,Githlar/mumble,feld/mumble,panaschieren/mumble-test,Githlar/mumble,mbax/mumble,bheart/mumble,feld/mumble,mbax/mumble,mbax/mumble,Lartza/mumble,Zopieux/mumble,Githlar/mumble,feld/mumble,SuperNascher/mumble,Natenom/mumble,Zopieux/mumble,Zopieux/mumble,Natenom/mumble,Keridos/mumble,niko20010/mumble,Zopieux/mumble,bheart/mumble,ccpgames/mumble,SuperNascher/mumble,mbax/mumble,Keridos/mumble,mbax/mumble,LuAPi/mumble,Lartza/mumble,richard227/mumble,feld/mumble,chiefdome/mumble-code,richard227/mumble,Natenom/mumble,panaschieren/mumble-test,SuperNascher/mumble,panaschieren/mumble-test,panaschieren/mumble-test,Githlar/mumble,mbax/mumble,ccpgames/mumble,Keridos/mumble,Githlar/mumble,niko20010/mumble,mbax/mumble,richard227/mumble,richard227/mumble,Zopieux/mumble,Zopieux/mumble,LuAPi/mumble,austinliou/mumble,unascribed/mumble,austinliou/mumble,unascribed/mumble,Keridos/mumble,richard227/mumble,Natenom/mumble,unascribed/mumble,unascribed/mumble,niko20010/mumble,feld/mumble,niko20010/mumble,Lartza/mumble,Githlar/mumble,chiefdome/mumble-code,bheart/mumble,LuAPi/mumble,SuperNascher/mumble,panaschieren/mumble-test,SuperNascher/mumble,Lartza/mumble,feld/mumble,SuperNascher/mumble,austinliou/mumble,LuAPi/mumble,Natenom/mumble,Lartza/mumble,SuperNascher/mumble,ccpgames/mumble,unascribed/mumble,austinliou/mumble,mbax/mumble,ccpgames/mumble,Githlar/mumble,Githlar/mumble,austinliou/mumble,austinliou/mumble,bheart/mumble,Natenom/mumble,chiefdome/mumble-code,feld/mumble,niko20010/mumble,richard227/mumble,niko20010/mumble,ccpgames/mumble,Zopieux/mumble,Keridos/mumble,chiefdome/mumble-code,ccpgames/mumble,bheart/mumble,LuAPi/mumble,richard227/mumble,bheart/mumble,SuperNascher/mumble,niko20010/mumble,LuAPi/mumble,Natenom/mumble,Keridos/mumble,Lartza/mumble,bheart/mumble,austinliou/mumble,chiefdome/mumble-code,Lartza/mumble,niko20010/mumble,ccpgames/mumble,unascribed/mumble,unascribed/mumble,ccpgames/mumble