Fix broken range check in UserListModel::data
Fix broken range check in UserListModel::data

Thanks to 9x6 for this fix.

Fixes #1786

Keridos/mumble,SuperNascher/mumble,Lartza/mumble,Githlar/mumble,Githlar/mumble,bheart/mumble,bheart/mumble,austinliou/mumble,unascribed/mumble,richard227/mumble,unascribed/mumble,Lartza/mumble,LuAPi/mumble,austinliou/mumble,feld/mumble,niko20010/mumble,niko20010/mumble,feld/mumble,feld/mumble,bheart/mumble,austinliou/mumble,Githlar/mumble,austinliou/mumble,austinliou/mumble,unascribed/mumble,richard227/mumble,Githlar/mumble,bheart/mumble,unascribed/mumble,austinliou/mumble,Keridos/mumble,bheart/mumble,richard227/mumble,LuAPi/mumble,feld/mumble,Keridos/mumble,unascribed/mumble,richard227/mumble,bheart/mumble,SuperNascher/mumble,Keridos/mumble,richard227/mumble,Lartza/mumble,unascribed/mumble,niko20010/mumble,Lartza/mumble,Githlar/mumble,LuAPi/mumble,SuperNascher/mumble,feld/mumble,Lartza/mumble,LuAPi/mumble,Keridos/mumble,SuperNascher/mumble,LuAPi/mumble,niko20010/mumble,niko20010/mumble,SuperNascher/mumble,feld/mumble,bheart/mumble,richard227/mumble,Githlar/mumble,Keridos/mumble,richard227/mumble,LuAPi/mumble,Lartza/mumble,LuAPi/mumble,austinliou/mumble,SuperNascher/mumble,LuAPi/mumble,austinliou/mumble,Githlar/mumble,SuperNascher/mumble,niko20010/mumble,niko20010/mumble,unascribed/mumble,LuAPi/mumble,niko20010/mumble,Keridos/mumble,Lartza/mumble,bheart/mumble,SuperNascher/mumble,Lartza/mumble,Keridos/mumble,Githlar/mumble,unascribed/mumble,feld/mumble,SuperNascher/mumble,richard227/mumble,feld/mumble