[evolution/gnome-3-0] Bug #651316 - Crash with Outgoing mail filters

[Milan Crha <mcrha src gnome org>]

commit 62acb05a3793d6fba8bc0f972e17da990d5a92d6
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jun 3 13:51:28 2011 +0200

    Bug #651316 - Crash with Outgoing mail filters

 mail/e-mail-session-utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/mail/e-mail-session-utils.c b/mail/e-mail-session-utils.c
index a16de66..2279902 100644
--- a/mail/e-mail-session-utils.c
+++ b/mail/e-mail-session-utils.c
@@ -765,7 +765,7 @@ e_mail_session_send_to (EMailSession *session,
 	/* Failure here emits a runtime warning but is non-fatal. */
 	context->driver = camel_session_get_filter_driver (
 		CAMEL_SESSION (session), E_FILTER_SOURCE_OUTGOING, &error);
-	if (context->driver != NULL)
+	if (context->driver != NULL && get_folder_func)
 		camel_filter_driver_set_folder_func (
 			context->driver, get_folder_func, get_folder_data);
 	if (error != NULL) {