[glib] g_file_make_directory_with_parents(): fix a corner case

[Matthias Clasen <matthiasc src gnome org>]

commit 5291190f46614c9e1491599af345f9c41c74967e
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Aug 14 11:20:16 2012 -0400

    g_file_make_directory_with_parents(): fix a corner case
    
    If g_file_get_parent() unexpectedly failed, we could return
    FALSE but with no error.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=680823

 gio/gfile.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gio/gfile.c b/gio/gfile.c
index 68207ac..92776af 100644
--- a/gio/gfile.c
+++ b/gio/gfile.c
@@ -3384,11 +3384,12 @@ g_file_make_directory_with_parents (GFile         *file,
     {
       GFile *parent_file;
 
-      g_clear_error (&my_error);
-
       parent_file = g_file_get_parent (work_file);
       if (parent_file == NULL)
         break;
+
+      g_clear_error (&my_error);
+
       result = g_file_make_directory (parent_file, cancellable, &my_error);
 
       g_object_unref (work_file);