[evolution] Avoid camel_service_get_session().

[Matthew Barnes <mbarnes src gnome org>]

commit f911f1754abaf97b9d08f751b97cfb2905d47616
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Nov 30 08:06:00 2013 -0500

    Avoid camel_service_get_session().
    
    Use camel_service_ref_session() instead.

 libemail-engine/mail-folder-cache.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/libemail-engine/mail-folder-cache.c b/libemail-engine/mail-folder-cache.c
index 672447c..37e1970 100644
--- a/libemail-engine/mail-folder-cache.c
+++ b/libemail-engine/mail-folder-cache.c
@@ -803,8 +803,10 @@ update_1folder (MailFolderCache *cache,
         *     in mail_folder_cache_new(), which just complicates
         *     application startup even more. */
        service = CAMEL_SERVICE (folder_info->store);
-       session = camel_service_get_session (service);
+       session = camel_service_ref_session (service);
        registry = e_mail_session_get_registry (E_MAIL_SESSION (session));
+       g_object_unref (session);
+
        g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
 
        folder = g_weak_ref_get (&folder_info->folder);