message: Fix potential crash if shader reflection is NULL
diff: @@ -1913,6 +1913,12 @@ void MakeShaderReflection(const GLHookSet &gl, GLenum shadType, GLuint sepProg,
  void GetBindpointMapping(const GLHookSet &gl, GLuint curProg, int shadIdx, ShaderReflection *refl,
  ShaderBindpointMapping &mapping)
  {
  + if(!refl)
  + {
  + mapping = ShaderBindpointMapping();
  + return;
  + }
  +
  // in case of bugs, we readback into this array instead of
  GLint dummyReadback[32];
  