[evolution-data-server] Bug #623912 - SMTP::query_auth_types should not use NULL hash table

[Milan Crha <mcrha src gnome org>]

commit 2e14af42992ce4ddad4bdf64d4d34f868246b0bc
Author: Milan Crha <mcrha redhat com>
Date:   Wed Sep 1 10:26:02 2010 +0200

    Bug #623912 - SMTP::query_auth_types should not use NULL hash table

 camel/providers/smtp/camel-smtp-transport.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/camel/providers/smtp/camel-smtp-transport.c b/camel/providers/smtp/camel-smtp-transport.c
index 2c73ffe..4d855c6 100644
--- a/camel/providers/smtp/camel-smtp-transport.c
+++ b/camel/providers/smtp/camel-smtp-transport.c
@@ -641,6 +641,11 @@ query_auth_types (CamelService *service, GError **error)
 	if (!connect_to_server_wrapper (service, error))
 		return NULL;
 
+	if (!transport->authtypes) {
+		smtp_disconnect (service, TRUE, NULL);
+		return NULL;
+	}
+
 	types = g_list_copy (service->provider->authtypes);
 	for (t = types; t; t = next) {
 		authtype = t->data;