[ox/fs] Fix PassthroughFS to pull in defines from header before check

deps/ox/src/ox/fs/filesystem/passthroughfs.cpp

@@ -6,12 +6,12 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#if OX_PASSTHROUGHFS_HAS_DEPENDENCIES && defined(OX_USE_STDLIB)
+#include "passthroughfs.hpp"
+
+#if defined(OX_PASSTHROUGHFS_HAS_DEPENDENCIES)
 
 #include <stdio.h>
 
-#include "passthroughfs.hpp"
-
 namespace ox {
 
 PassThroughFS::PassThroughFS(const char *dirPath) {