Fixed GLES3 build.
Fixed GLES3 build.

0-wiz-0/bgfx,ktotheoz/bgfx,mendsley/bgfx,septag/bgfx,bkaradzic/bgfx,MikePopoloski/bgfx,kondrak/bgfx,cyndis/bgfx,Vertexwahn/bgfx,jpcy/bgfx,attilaz/bgfx,cuavas/bgfx,jpcy/bgfx,bkaradzic/bgfx,attilaz/bgfx,ming4883/bgfx,cuavas/bgfx,janstk/bgfx,0-wiz-0/bgfx,bkaradzic/bgfx,Extrawurst/bgfx,janstk/bgfx,fluffyfreak/bgfx,andr3wmac/bgfx,ktotheoz/bgfx,Extrawurst/bgfx,darkimage/bgfx,Synxis/bgfx,v3n/bgfx,elmindreda/bgfx,v3n/bgfx,kondrak/bgfx,cyndis/bgfx,ocornut/bgfx,LWJGL-CI/bgfx,attilaz/bgfx,fluffyfreak/bgfx,mmicko/bgfx,ming4883/bgfx,emoon/bgfx,fluffyfreak/bgfx,jdryg/bgfx,fluffyfreak/bgfx,BlueCrystalLabs/bgfx,elmindreda/bgfx,elmindreda/bgfx,MikePopoloski/bgfx,mcanthony/bgfx,BlueCrystalLabs/bgfx,jdryg/bgfx,andr3wmac/bgfx,aonorin/bgfx,Vertexwahn/bgfx,andr3wmac/bgfx,Synxis/bgfx,marco-we/bgfx,jdryg/bgfx,mmicko/bgfx,Synxis/bgfx,sergeScherbakov/bgfx,BlueCrystalLabs/bgfx,mendsley/bgfx,jpcy/bgfx,darkimage/bgfx,Extrawurst/bgfx,LSBOSS/bgfx,v3n/bgfx,sergeScherbakov/bgfx,mendsley/bgfx,septag/bgfx,jpcy/bgfx,LWJGL-CI/bgfx,emoon/bgfx,0-wiz-0/bgfx,LWJGL-CI/bgfx,cyndis/bgfx,aonorin/bgfx,bkaradzic/bgfx,emoon/bgfx,mcanthony/bgfx,septag/bgfx,ocornut/bgfx,MikePopoloski/bgfx,LSBOSS/bgfx,marco-we/bgfx,jdryg/bgfx,LSBOSS/bgfx,janstk/bgfx,mmicko/bgfx,cuavas/bgfx,aonorin/bgfx,marco-we/bgfx,ocornut/bgfx,ktotheoz/bgfx,ming4883/bgfx,Vertexwahn/bgfx,kondrak/bgfx,sergeScherbakov/bgfx,mcanthony/bgfx,LWJGL-CI/bgfx,darkimage/bgfx