Fixed MinGW warning.
Fixed MinGW warning.

LWJGL-CI/bgfx,emoon/bgfx,emoon/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,bkaradzic/bgfx,jdryg/bgfx,emoon/bgfx,jdryg/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,bkaradzic/bgfx