Fix warnings in overlay_gl
Fix warnings in overlay_gl

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