[empathy] add a translation comment explaining the 'Provide' string (#649492)

[Guillaume Desmottes <gdesmott src gnome org>]

commit 7f4901b8677aeb0235b99acf2130eb5407f93b4d
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Fri May 6 10:38:23 2011 +0200

    add a translation comment explaining the 'Provide' string (#649492)

 src/empathy-notifications-approver.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/empathy-notifications-approver.c b/src/empathy-notifications-approver.c
index ec1e65c..af6c139 100644
--- a/src/empathy-notifications-approver.c
+++ b/src/empathy-notifications-approver.c
@@ -219,6 +219,9 @@ add_notification_actions (EmpathyNotificationsApprover *self,
       break;
 
     case EMPATHY_EVENT_TYPE_AUTH:
+      /* translators: the 'Provide' button is displayed in a notification
+       * bubble when Empathy is asking for an account password; clicking on it
+       * brings the password popup. */
       notify_notification_add_action (notification,
         "provide", _("Provide"), (NotifyActionCallback) notification_approve_cb,
           self, NULL);