[gdm] greeter: don't show empty names in user list

[Ray Strode <halfline src gnome org>]

commit 8b91fee43060b97b080b774f88169a64ec6e39b5
Author: Ray Strode <rstrode redhat com>
Date:   Wed Mar 9 19:27:14 2011 -0500

    greeter: don't show empty names in user list
    
    If a user doesn't have a name in gecos, fall back to username.
    
    This is similar to commit f7978ec4dd39d3c4aecb462bfc6d0657c7ed6f0d, but
    functional instead of broken.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=644156

 gui/simple-greeter/gdm-user-chooser-widget.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gui/simple-greeter/gdm-user-chooser-widget.c b/gui/simple-greeter/gdm-user-chooser-widget.c
index 9b4e5de..84c9586 100644
--- a/gui/simple-greeter/gdm-user-chooser-widget.c
+++ b/gui/simple-greeter/gdm-user-chooser-widget.c
@@ -469,7 +469,7 @@ update_item_for_user (GdmUserChooserWidget *widget,
         escaped_username = g_markup_escape_text (act_user_get_user_name (user), -1);
 
         real_name = act_user_get_real_name (user);
-        if (real_name == NULL || real_name == '\0') {
+        if (real_name == NULL || real_name[0] == '\0') {
                 real_name = act_user_get_user_name (user);
         }
         escaped_real_name = g_markup_escape_text (real_name, -1);
@@ -785,7 +785,7 @@ add_user (GdmUserChooserWidget *widget,
 
         escaped_username = g_markup_escape_text (act_user_get_user_name (user), -1);
         real_name = act_user_get_real_name (user);
-        if (real_name == NULL || real_name == '\0') {
+        if (real_name == NULL || real_name[0] == '\0') {
                 real_name = act_user_get_user_name (user);
         }
         escaped_real_name = g_markup_escape_text (real_name, -1);