[PATCH] Fix a memory leak in X11_GL_CreateContext

Patch uses XFree to free the memory returned by glXChooseFBConfig.

--- 8< ---
==21042== 512 bytes in 1 blocks are definitely lost in loss record 114 of 134
==21042==    at 0x4C2BBAD: malloc (vg_replace_malloc.c:299)
==21042==    by 0x518E4F3: glXGetFBConfigs (glxcmds.c:1690)
==21042==    by 0x518F6DE: glXChooseFBConfig (glxcmds.c:1608)
==21042==    by 0x4F23A64: X11_GL_CreateContext (SDL_x11opengl.c:642)

Signed-off-by: Tapani Pälli <[email protected]>
---
 src/video/x11/SDL_x11opengl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video/x11/SDL_x11opengl.c b/src/video/x11/SDL_x11opengl.c
index abc699d..f7264b7 100644
--- a/src/video/x11/SDL_x11opengl.c
+++ b/src/video/x11/SDL_x11opengl.c
@@ -649,6 +649,8 @@ X11_GL_CreateContext(_THIS, SDL_Window * window)
                                                     framebuffer_config[0],
                                                     share_context, True, attribs);
                 }
+                if (framebuffer_config)
+                    X11_XFree(framebuffer_config);
             }
         }
         X11_XFree(vinfo);
-- 
2.7.4

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