--- a/src/render/opengl/SDL_render_gl.c	Sun May 19 22:45:52 2013 -0700
+++ b/src/render/opengl/SDL_render_gl.c	Sun May 19 22:57:01 2013 -0700
@@ -307,7 +307,7 @@
     GL_CheckError("", renderer);
 }
 
-static void
+static void APIENTRY
 GL_HandleDebugMessage(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char *message, void *userParam)
 {
     SDL_Renderer *renderer = (SDL_Renderer *) userParam;