mumble: allow GlobalShortcut_macx.mm to build using the OS X 10.9 SDK.
mumble: allow GlobalShortcut_macx.mm to build using the OS X 10.9 SDK.

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