[gvfs] metatree: always clear fd to -1

[Ondrej Holy <oholy src gnome org>]

commit 26c3dc3986760483625262a4a3564f1696f829b3
Author: Ondrej Holy <oholy redhat com>
Date:   Mon Mar 9 12:41:43 2015 +0100

    metatree: always clear fd to -1
    
    meta_tree_clear clears fd to 0 currently, however it should be set to -1
    to avoid risk that fd 0 is closed, when meta_tree_clear is called twice.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=598561

 metadata/metatree.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/metadata/metatree.c b/metadata/metatree.c
index 0fe29a1..4c6d5f0 100644
--- a/metadata/metatree.c
+++ b/metadata/metatree.c
@@ -258,7 +258,7 @@ meta_tree_clear (MetaTree *tree)
   if (tree->fd != -1)
     {
       close (tree->fd);
-      tree->fd = 0;
+      tree->fd = -1;
     }
 }