[nautilus] file-operations: fix GFile leak

[Cosimo Cecchi <cosimoc src gnome org>]

commit 21ae836048bc9c06ed28e1f28cd4d7c1d55a8980
Author: Pavel Vasin <rat4vier gmail com>
Date:   Fri Aug 24 12:13:08 2012 +0400

    file-operations: fix GFile leak
    
    https://bugzilla.gnome.org/show_bug.cgi?id=682603

 libnautilus-private/nautilus-file-operations.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/libnautilus-private/nautilus-file-operations.c b/libnautilus-private/nautilus-file-operations.c
index dcdd7ce..3796ffa 100644
--- a/libnautilus-private/nautilus-file-operations.c
+++ b/libnautilus-private/nautilus-file-operations.c
@@ -3816,7 +3816,7 @@ copy_file_progress_callback (goffset current_num_bytes,
 static gboolean
 test_dir_is_parent (GFile *child, GFile *root)
 {
-	GFile *f;
+	GFile *f, *tmp;
 	
 	f = g_file_dup (child);
 	while (f) {
@@ -3824,7 +3824,9 @@ test_dir_is_parent (GFile *child, GFile *root)
 			g_object_unref (f);
 			return TRUE;
 		}
+		tmp = f;
 		f = g_file_get_parent (f);
+		g_object_unref (tmp);
 	}
 	if (f) {
 		g_object_unref (f);