Need SDL_stdinc.h for _SDL_HAS_BUILTIN
diff --git a/include/SDL_assert.h b/include/SDL_assert.h
index 6068fc7..427c4c6 100644
--- a/include/SDL_assert.h
+++ b/include/SDL_assert.h
@@ -22,7 +22,7 @@
#ifndef SDL_assert_h_
#define SDL_assert_h_
-#include "SDL_config.h"
+#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */