[empathy] roster-window: Fix enabling add-contact action

[Daniel Boles <dboles src gnome org>]

commit 8abd8c8c9a9eaaf446f46800c0775b3140af5070
Author: Daniel Boles <dboles src gnome org>
Date:   Thu Dec 1 04:25:13 2016 +0000

    roster-window: Fix enabling add-contact action
    
    This was commented "update widget sensibilities [action sensitivities]',
    yet it could only ever disable the action. Not sure where/if this action
    gets enabled, but either way, let's make the code do the sensible thing.

 src/empathy-roster-window.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/src/empathy-roster-window.c b/src/empathy-roster-window.c
index 3c19958..5ef3887 100644
--- a/src/empathy-roster-window.c
+++ b/src/empathy-roster-window.c
@@ -785,13 +785,12 @@ roster_window_update_status (EmpathyRosterWindow *self)
       gtk_widget_hide (self->priv->throbber);
     }
 
-  /* Update widgets sensibility */
+  /* Update sensitivities of actions */
   for (l = self->priv->actions_connected; l; l = l->next)
     g_simple_action_set_enabled (l->data, connected);
 
   action = g_action_map_lookup_action (G_ACTION_MAP (self), "chat-add-contact");
-  if (!can_add_contact (self))
-    g_simple_action_set_enabled (G_SIMPLE_ACTION (action), FALSE);
+  g_simple_action_set_enabled (G_SIMPLE_ACTION (action), can_add_contact (self));
 }
 
 static void