[Fix] (Includes.h): preprocessor hack to get rid of annoying gl.h

MobileGL/Includes.h

@@ -62,7 +62,9 @@
 #endif
 #include <EGL/egl.h>
 #define GL_GLEXT_PROTOTYPES
+#ifndef NO_GL_H
 #include "GL/gl.h"
+#endif
 #include <GL/glcorearb.h>
 #undef GL_GLEXT_PROTOTYPES
 

MobileGL/MG_Test/Backend/DirectVulkan/TestExec.cpp

@@ -39,7 +39,9 @@
 #include <objc/runtime.h>
 #endif
 
+#define NO_GL_H
 #include <Includes.h>
+#undef NO_GL_H
 
 namespace MobileGL {
     void MG_Initialize();