Fixed asmjs build. Issue #754.
Fixed asmjs build. Issue #754.

bkaradzic/bgfx,emoon/bgfx,septag/bgfx,jdryg/bgfx,Synxis/bgfx,andr3wmac/bgfx,mmicko/bgfx,Synxis/bgfx,attilaz/bgfx,kondrak/bgfx,mmicko/bgfx,v3n/bgfx,mendsley/bgfx,septag/bgfx,attilaz/bgfx,kondrak/bgfx,kondrak/bgfx,andr3wmac/bgfx,emoon/bgfx,jpcy/bgfx,jdryg/bgfx,aonorin/bgfx,0-wiz-0/bgfx,v3n/bgfx,mendsley/bgfx,0-wiz-0/bgfx,andr3wmac/bgfx,bkaradzic/bgfx,MikePopoloski/bgfx,mendsley/bgfx,jdryg/bgfx,bkaradzic/bgfx,elmindreda/bgfx,LWJGL-CI/bgfx,Synxis/bgfx,septag/bgfx,aonorin/bgfx,0-wiz-0/bgfx,bkaradzic/bgfx,mmicko/bgfx,elmindreda/bgfx,aonorin/bgfx,fluffyfreak/bgfx,fluffyfreak/bgfx,MikePopoloski/bgfx,jpcy/bgfx,emoon/bgfx,jpcy/bgfx,LWJGL-CI/bgfx,attilaz/bgfx,fluffyfreak/bgfx,jdryg/bgfx,LWJGL-CI/bgfx,v3n/bgfx,MikePopoloski/bgfx,jpcy/bgfx,LWJGL-CI/bgfx,fluffyfreak/bgfx,elmindreda/bgfx