[glib/new-gsettings] Do not fail in g_settings_backend_keys_changed() if path is ""

[Vincent Untz <vuntz src gnome org>]

commit d6d1b2db9ff91c85138af0713905be8300afcf29
Author: Vincent Untz <vuntz gnome org>
Date:   Wed Apr 14 20:59:26 2010 -0400

    Do not fail in g_settings_backend_keys_changed() if path is ""

 gio/gsettingsbackend.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gsettingsbackend.c b/gio/gsettingsbackend.c
index 27015a3..6e814df 100644
--- a/gio/gsettingsbackend.c
+++ b/gio/gsettingsbackend.c
@@ -251,7 +251,7 @@ g_settings_backend_keys_changed (GSettingsBackend    *backend,
   GSettingsBackendWatch *watch;
 
   g_return_if_fail (G_IS_SETTINGS_BACKEND (backend));
-  g_return_if_fail (is_path (path));
+  g_return_if_fail (path[0] == '\0' || is_path (path));
   g_return_if_fail (items != NULL);
  
   for (watch = backend->priv->watches; watch; watch = watch->next)