[evolution-ews] Drop EwsFreeBusyData::timezone structure member

[Milan Crha <mcrha src gnome org>]

commit a018dda548fe8cc3d8f049ba99dbff997733f0ac
Author: Milan Crha <mcrha redhat com>
Date:   Tue Nov 12 08:24:38 2013 +0100

    Drop EwsFreeBusyData::timezone structure member
    
    Free/Busy data are supposed to be always in UTC, thus do not use
    the 'default_timezone' for it.

 src/calendar/e-cal-backend-ews.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/src/calendar/e-cal-backend-ews.c b/src/calendar/e-cal-backend-ews.c
index e30d9e6..ff4b28f 100644
--- a/src/calendar/e-cal-backend-ews.c
+++ b/src/calendar/e-cal-backend-ews.c
@@ -4104,7 +4104,6 @@ typedef struct {
        GSList *users;
        time_t start;
        time_t end;
-       icaltimezone *timezone;
 } EwsFreeBusyData;
 
 static void
@@ -4114,8 +4113,9 @@ prepare_free_busy_request (ESoapMessage *msg,
        EwsFreeBusyData *free_busy_data = user_data;
        GSList *addr;
        icaltimetype t_start, t_end;
+       icaltimezone *utc_zone = icaltimezone_get_utc_timezone ();
 
-       ewscal_set_availability_timezone (msg, free_busy_data->timezone);
+       ewscal_set_availability_timezone (msg, utc_zone);
 
        e_soap_message_start_element (msg, "MailboxDataArray", "messages", NULL);
 
@@ -4137,8 +4137,8 @@ prepare_free_busy_request (ESoapMessage *msg,
        e_soap_message_start_element (msg, "FreeBusyViewOptions", NULL, NULL);
 
        e_soap_message_start_element (msg, "TimeWindow", NULL, NULL);
-       t_start = icaltime_from_timet_with_zone (free_busy_data->start, 0, free_busy_data->timezone);
-       t_end = icaltime_from_timet_with_zone (free_busy_data->end, 0, free_busy_data->timezone);
+       t_start = icaltime_from_timet_with_zone (free_busy_data->start, 0, utc_zone);
+       t_end = icaltime_from_timet_with_zone (free_busy_data->end, 0, utc_zone);
        ewscal_set_time (msg, "StartTime", &t_start, FALSE);
        ewscal_set_time (msg, "EndTime", &t_end, FALSE);
        e_soap_message_end_element (msg); /* "TimeWindow" */
@@ -4229,7 +4229,6 @@ e_cal_backend_ews_get_free_busy (ECalBackend *backend,
        free_busy_data->users = users_copy;
        free_busy_data->start = start;
        free_busy_data->end = end;
-       free_busy_data->timezone = priv->default_zone;
 
        e_ews_connection_get_free_busy (
                priv->cnc,