[gnome-online-accounts] exchange: Clarify an error message for translators

[Debarshi Ray <debarshir src gnome org>]

commit 3460fecb89f39591b1c66fb7992bc942612f4ea4
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Nov 7 13:55:35 2012 +0100

    exchange: Clarify an error message for translators

 src/goabackend/goaexchangeprovider.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/goabackend/goaexchangeprovider.c b/src/goabackend/goaexchangeprovider.c
index e4cee45..8e7b3c0 100644
--- a/src/goabackend/goaexchangeprovider.c
+++ b/src/goabackend/goaexchangeprovider.c
@@ -316,6 +316,10 @@ ensure_credentials_sync (GoaProvider         *provider,
       if (error != NULL)
         {
           g_prefix_error (error,
+                          /* Translators: the first %s is the username
+                           * (eg., debarshi ray gmail com or rishi), and the
+                           * (%s, %d) is the error domain and code.
+                           */
                           _("Invalid password with username `%s' (%s, %d): "),
                           username,
                           g_quark_to_string ((*error)->domain),