[gnome-disk-utility] don't allow empty passphrases

[David Zeuthen <davidz src gnome org>]

commit 527d97b8660109ff504d84df08b506fea11b6325
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 25 23:31:54 2009 -0400

    don't allow empty passphrases
    
    Only enable the Change button if the new passphrase is not empty.
    This fixes bug 575910.
    
    Signed-off-by: David Zeuthen <davidz redhat com>
---
 src/gdu-gtk/gdu-gtk.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gdu-gtk/gdu-gtk.c b/src/gdu-gtk/gdu-gtk.c
index 8659e10..7e4ae7a 100644
--- a/src/gdu-gtk/gdu-gtk.c
+++ b/src/gdu-gtk/gdu-gtk.c
@@ -483,7 +483,7 @@ gdu_util_dialog_secret_update (DialogSecretData *data)
                 gtk_widget_set_sensitive (data->button, FALSE);
         } else {
                 gtk_widget_hide (data->warning_hbox);
-                gtk_widget_set_sensitive (data->button, TRUE);
+                gtk_widget_set_sensitive (data->button, new[0] != 0);
         }
 }