Fixed including OpenGL ES on iOS without any other SDL headers
diff --git a/include/SDL_opengles.h b/include/SDL_opengles.h
index bcc1277..15abee7 100644
--- a/include/SDL_opengles.h
+++ b/include/SDL_opengles.h
@@ -24,6 +24,7 @@
*
* This is a simple file to encapsulate the OpenGL ES 1.X API headers.
*/
+#include "SDL_config.h"
#ifdef __IPHONEOS__
#include <OpenGLES/ES1/gl.h>
diff --git a/include/SDL_opengles2.h b/include/SDL_opengles2.h
index edcd1a2..c961f0f 100644
--- a/include/SDL_opengles2.h
+++ b/include/SDL_opengles2.h
@@ -24,6 +24,8 @@
*
* This is a simple file to encapsulate the OpenGL ES 2.0 API headers.
*/
+#include "SDL_config.h"
+
#ifndef _MSC_VER
#ifdef __IPHONEOS__