Review extensions issue on macOS

src/rlgl.h

@@ -1702,9 +1702,11 @@ void rlLoadExtensions(void *loader)
     RLGL.ExtSupported.maxDepthBits = 32;
     RLGL.ExtSupported.texAnisoFilter = true;
     RLGL.ExtSupported.texMirrorClamp = true;
+    #if !defined(__APPLE__)
     // NOTE: With GLAD, we can check if an extension is supported using the GLAD_GL_xxx booleans
     if (GLAD_GL_EXT_texture_compression_s3tc) RLGL.ExtSupported.texCompDXT = true;  // Texture compression: DXT
     if (GLAD_GL_ARB_ES3_compatibility) RLGL.ExtSupported.texCompETC2 = true;        // Texture compression: ETC2/EAC
+    #endif
 #endif  // GRAPHICS_API_OPENGL_33
 
 #if defined(GRAPHICS_API_OPENGL_ES2)