[evolution] Bug #627333 - Cannot cancel password dialog for a calendar

[Milan Crha <mcrha src gnome org>]

commit 73bf4e81c1352b4e94e412e7b97f18237accb7ff
Author: Milan Crha <mcrha redhat com>
Date:   Fri Aug 27 11:12:02 2010 +0200

    Bug #627333 - Cannot cancel password dialog for a calendar

 calendar/common/authentication.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/calendar/common/authentication.c b/calendar/common/authentication.c
index b36e10a..0420f1f 100644
--- a/calendar/common/authentication.c
+++ b/calendar/common/authentication.c
@@ -324,6 +324,9 @@ e_load_cal_source_async (ESource *source,
 	if (cancellable != NULL) {
 		g_return_if_fail (G_IS_CANCELLABLE (cancellable));
 		g_object_ref (cancellable);
+	} else {
+		/* always provide cancellable, because the code depends on it */
+		cancellable = g_cancellable_new ();
 	}
 
 	if (default_zone == NULL)