UserView.cpp: replace deprecated QModelIndex::child()
UserView.cpp: replace deprecated QModelIndex::child()

https://github.com/qt/qtbase/commit/8dc45d5b7cd9637f28b2d872a834266b991bf434

Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble