Fixed warning building under mingw, patch contributed by Sylvain
diff --git a/src/SDL_log.c b/src/SDL_log.c
index 760cb13..82a96ce 100644
--- a/src/SDL_log.c
+++ b/src/SDL_log.c
@@ -304,7 +304,7 @@ SDL_LogMessageV(int category, SDL_LogPriority priority, const char *fmt, va_list
SDL_stack_free(message);
}
-#if defined(__WIN32__)
+#if defined(__WIN32__) && !defined(HAVE_STDIO_H) && !defined(__WINRT__)
/* Flag tracking the attachment of the console: 0=unattached, 1=attached, -1=error */
static int consoleAttached = 0;