Fix detection of iOS for disabling dynamic API.
diff --git a/src/dynapi/SDL_dynapi.h b/src/dynapi/SDL_dynapi.h
index eb1c014..9801ba1 100644
--- a/src/dynapi/SDL_dynapi.h
+++ b/src/dynapi/SDL_dynapi.h
@@ -39,7 +39,11 @@
#error Nope, you have to edit this file to force this off.
#endif
-#if defined(__APPLE__) && TARGET_OS_IPHONE /* probably not useful on iOS. */
+#ifdef __APPLE__
+#include "TargetConditionals.h"
+#endif
+
+#if TARGET_OS_IPHONE /* probably not useful on iOS. */
#define SDL_DYNAMIC_API 0
#else /* everyone else. */
#define SDL_DYNAMIC_API 1