From 7a39681ea5b2bebdc6eb7f1a46c159351b6d15d5 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 9 Dec 2016 05:04:18 -0800
Subject: [PATCH] Fixed X11 OpenGL ES build

---
 src/video/x11/SDL_x11opengles.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/x11/SDL_x11opengles.h b/src/video/x11/SDL_x11opengles.h
index cce833299..164980abb 100644
--- a/src/video/x11/SDL_x11opengles.h
+++ b/src/video/x11/SDL_x11opengles.h
@@ -46,7 +46,7 @@ typedef struct SDL_PrivateGLESData
 extern int X11_GLES_LoadLibrary(_THIS, const char *path);
 extern XVisualInfo *X11_GLES_GetVisual(_THIS, Display * display, int screen);
 extern SDL_GLContext X11_GLES_CreateContext(_THIS, SDL_Window * window);
-extern void X11_GLES_SwapWindow(_THIS, SDL_Window * window);
+extern int X11_GLES_SwapWindow(_THIS, SDL_Window * window);
 extern int X11_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
 
 #endif /* SDL_VIDEO_OPENGL_EGL */