--- apr/file_io/unix/dir.c	(revision 489889)
+++ apr/file_io/unix/dir.c	(working copy)
@@ -176,7 +176,7 @@ 
      * that problem.
      */
     if (ret == EINVAL) {
-        ret = ENOENT;
+        ret = APR_ENOENT;
     }
 #else
     /* We're about to call a non-thread-safe readdir() that may