IDL: Fixed return types.
IDL: Fixed return types.

fluffyfreak/bgfx,fluffyfreak/bgfx,emoon/bgfx,jpcy/bgfx,bkaradzic/bgfx,jdryg/bgfx,bkaradzic/bgfx,LWJGL-CI/bgfx,fluffyfreak/bgfx,jdryg/bgfx,bkaradzic/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,mendsley/bgfx,emoon/bgfx,jdryg/bgfx,jdryg/bgfx,mendsley/bgfx,jpcy/bgfx,fluffyfreak/bgfx,LWJGL-CI/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,mendsley/bgfx,emoon/bgfx,bkaradzic/bgfx