[empathy] fix typo in comment

[Guillaume Desmottes <gdesmott src gnome org>]

commit ada2797e29180cea03fbb5c2a7d6c74d022b14c2
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Thu Nov 5 12:32:20 2009 +0000

    fix typo in comment

 src/empathy-call-window.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-call-window.c b/src/empathy-call-window.c
index c6332ad..64e72b1 100644
--- a/src/empathy-call-window.c
+++ b/src/empathy-call-window.c
@@ -1519,7 +1519,7 @@ media_stream_error_to_txt (EmpathyCallWindow *self,
             _("You don't have any codecs in common with %s."),
           empathy_contact_get_name (priv->contact));
 
-      /* TODO: support more error */
+      /* TODO: support more errors */
       default:
         return NULL;
     }