[accounts-dialog] Return NULL when the language is not set

[Bastien Nocera <hadess src gnome org>]

commit 740beff726a26b5032c267997b54dfe49dec4be2
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Jan 13 13:07:12 2010 +0000

    Return NULL when the language is not set

 src/um-user.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/um-user.c b/src/um-user.c
index db55b22..e1b146d 100644
--- a/src/um-user.c
+++ b/src/um-user.c
@@ -691,6 +691,8 @@ um_user_get_language (UmUser *user)
 {
         g_return_val_if_fail (UM_IS_USER (user), NULL);
 
+	if (*user->props->language == '\0')
+		return NULL;
         return user->props->language;
 }