Better error handling for createUniform.
Better error handling for createUniform.

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