Missed one error case

modules/misc/gnutls.c

 /*****************************************************************************
- * tls.c
+ * gnutls.c
  *****************************************************************************
  * Copyright (C) 2004-2006 Rémi Denis-Courmont
  * $Id$
@@ -441,7 +441,8 @@ gnutls_Addx509Directory( vlc_object_t *p_this,
          * symbolic link (to avoid possibly infinite recursion), and verifies
          * that the inode is still the same, to avoid TOCTOU race condition.
          */
-        if( fstat( fd, &st1 ) || utf8_lstat( psz_dirname, &st2 )
+        if( ( fd == -1)
+         || fstat( fd, &st1 ) || utf8_lstat( psz_dirname, &st2 )
          || S_ISLNK( st2.st_mode ) || ( st1.st_ino != st2.st_ino ) )
         {
             closedir( dir );