Fixed OSX build.
Fixed OSX build.

bkaradzic/bgfx,emoon/bgfx,mendsley/bgfx,bkaradzic/bgfx,bkaradzic/bgfx,jpcy/bgfx,attilaz/bgfx,fluffyfreak/bgfx,bkaradzic/bgfx,jdryg/bgfx,mmicko/bgfx,attilaz/bgfx,septag/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,jdryg/bgfx,MikePopoloski/bgfx,LWJGL-CI/bgfx,mendsley/bgfx,attilaz/bgfx,MikePopoloski/bgfx,jpcy/bgfx,mmicko/bgfx,fluffyfreak/bgfx,septag/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,mendsley/bgfx,emoon/bgfx,mmicko/bgfx,fluffyfreak/bgfx,LWJGL-CI/bgfx,fluffyfreak/bgfx,septag/bgfx,emoon/bgfx,Synxis/bgfx,Synxis/bgfx,MikePopoloski/bgfx,Synxis/bgfx