[evolution-data-server] ECalBackendHttp: Ignore cancellations when retrieving data.

[Matthew Barnes <mbarnes src gnome org>]

commit 42d8cfec593ea589294850883478951031dd9ec4
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Feb 25 09:34:24 2013 -0500

    ECalBackendHttp: Ignore cancellations when retrieving data.
    
    Helps avoid emitting uninteresting error messages to clients.

 calendar/backends/http/e-cal-backend-http.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/calendar/backends/http/e-cal-backend-http.c b/calendar/backends/http/e-cal-backend-http.c
index 0f7a16e..f00fbbf 100644
--- a/calendar/backends/http/e-cal-backend-http.c
+++ b/calendar/backends/http/e-cal-backend-http.c
@@ -784,7 +784,11 @@ begin_retrieval_cb (GIOSchedulerJob *job,
 
        backend->priv->is_loading = FALSE;
 
-       if (error != NULL) {
+       /* Ignore cancellations. */
+       if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+               g_error_free (error);
+
+       } else if (error != NULL) {
                e_cal_backend_notify_error (
                        E_CAL_BACKEND (backend),
                        error->message);