Fix mixup of CELT and Speex licenses in about dialog.
Fix mixup of CELT and Speex licenses in about dialog.

Githlar/mumble,LuAPi/mumble,Githlar/mumble,Natenom/mumble,unascribed/mumble,unascribed/mumble,Zopieux/mumble,SuperNascher/mumble,Zopieux/mumble,austinliou/mumble,LuAPi/mumble,bheart/mumble,austinliou/mumble,ccpgames/mumble,Lartza/mumble,niko20010/mumble,niko20010/mumble,austinliou/mumble,richard227/mumble,richard227/mumble,Keridos/mumble,Lartza/mumble,Natenom/mumble,LuAPi/mumble,Natenom/mumble,unascribed/mumble,unascribed/mumble,Natenom/mumble,Githlar/mumble,austinliou/mumble,Zopieux/mumble,Githlar/mumble,bheart/mumble,Keridos/mumble,richard227/mumble,mbax/mumble,Zopieux/mumble,Lartza/mumble,bheart/mumble,SuperNascher/mumble,SuperNascher/mumble,feld/mumble,ccpgames/mumble,Zopieux/mumble,Githlar/mumble,LuAPi/mumble,SuperNascher/mumble,SuperNascher/mumble,SuperNascher/mumble,Lartza/mumble,LuAPi/mumble,Lartza/mumble,SuperNascher/mumble,mbax/mumble,bheart/mumble,mbax/mumble,ccpgames/mumble,austinliou/mumble,Githlar/mumble,Keridos/mumble,mbax/mumble,Lartza/mumble,feld/mumble,bheart/mumble,unascribed/mumble,mbax/mumble,SuperNascher/mumble,feld/mumble,feld/mumble,Natenom/mumble,richard227/mumble,austinliou/mumble,niko20010/mumble,ccpgames/mumble,austinliou/mumble,LuAPi/mumble,Lartza/mumble,unascribed/mumble,feld/mumble,Natenom/mumble,richard227/mumble,richard227/mumble,feld/mumble,niko20010/mumble,Keridos/mumble,feld/mumble,LuAPi/mumble,SuperNascher/mumble,Githlar/mumble,unascribed/mumble,niko20010/mumble,ccpgames/mumble,LuAPi/mumble,Lartza/mumble,mbax/mumble,LuAPi/mumble,austinliou/mumble,Keridos/mumble,ccpgames/mumble,ccpgames/mumble,ccpgames/mumble,feld/mumble,niko20010/mumble,mbax/mumble,bheart/mumble,Zopieux/mumble,niko20010/mumble,Zopieux/mumble,Zopieux/mumble,Githlar/mumble,unascribed/mumble,niko20010/mumble,bheart/mumble,richard227/mumble,bheart/mumble,mbax/mumble,Keridos/mumble,Natenom/mumble,Natenom/mumble,richard227/mumble,Keridos/mumble,Keridos/mumble