[gnome-flashback] polkit: improve error message when authentication fails

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4eff8b291a6078e432f71cbb85d3175389810841
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 6 22:05:18 2015 +0300

    polkit: improve error message when authentication fails
    
    Based on 06-authentication-failure-string.patch from Robert Ancell:
    http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/wily/policykit-1-gnome/wily/view/head:/debian/patches/
    
    https://bugzilla.gnome.org/show_bug.cgi?id=592978

 .../libpolkit/flashback-authenticator.c            |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/gnome-flashback/libpolkit/flashback-authenticator.c 
b/gnome-flashback/libpolkit/flashback-authenticator.c
index 081ab02..f40bafb 100644
--- a/gnome-flashback/libpolkit/flashback-authenticator.c
+++ b/gnome-flashback/libpolkit/flashback-authenticator.c
@@ -249,11 +249,13 @@ do_initiate (gpointer user_data)
         {
           if (authenticator->dialog != NULL)
             {
-              gchar *s;
+              const gchar *s;
+              gchar *m;
 
-              s = g_strconcat ("<b>", _("Authentication Failure"), "</b>", NULL);
-              flashback_polkit_dialog_set_info_message (dialog, s);
-              g_free (s);
+              s = _("Your authentication attempt was unsuccessful. Please try again.");
+              m = g_strconcat ("<b>", s, "</b>", NULL);
+              flashback_polkit_dialog_set_info_message (dialog, m);
+              g_free (m);
 
               gtk_widget_queue_draw (authenticator->dialog);