[gnome-contacts] Don't make unlink button sensitive if there is only one persona

[Alexander Larsson <alexl src gnome org>]

commit 46b3dda1f904458cbd7d552c88ae9c203ec60847
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Sep 9 11:16:38 2011 +0200

    Don't make unlink button sensitive if there is only one persona

 src/contacts-link-dialog.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/contacts-link-dialog.vala b/src/contacts-link-dialog.vala
index 8743f94..2d81e5e 100644
--- a/src/contacts-link-dialog.vala
+++ b/src/contacts-link-dialog.vala
@@ -70,6 +70,7 @@ public class Contacts.LinkDialog : Dialog {
       button.set_valign (Align.CENTER);
       button.set_halign (Align.END);
       persona_grid.attach (button, 1, i, 1, 2);
+      button.sensitive = contact.individual.personas.size > 1;
       button.clicked.connect ( (button) => {
 	  unlink_persona.begin (contact, p, (obj, result) => {
 	      unlink_persona.end (result);