[evolution-patches] Exchange patch for tasks

[Sarfraaz Ahmed <asarfraaz novell com>]

Hi,

A trivial fix for a crash. Fixes #310439

Please review.

-- Sarfraaz

Index: ChangeLog
===================================================================
RCS file: /cvs/gnome/evolution-exchange/ChangeLog,v
retrieving revision 1.354
diff -u -p -u -p -r1.354 ChangeLog
--- ChangeLog	13 Jul 2005 11:08:45 -0000	1.354
+++ ChangeLog	15 Jul 2005 12:22:12 -0000
@@ -1,3 +1,8 @@
+2005-07-15  Sarfraaz Ahmed <asarfraaz novell com>
+
+	* calendar/e-cal-backend-exchange-tasks.c (remove_task) : Access href
+	of the cached object only if it exists. Fixes #310439
+
 2005-07-13  Sarfraaz Ahmed <asarfraaz novell com>
 
 	* storage/exchange-account.h : No longer is needed here. Moved to e-d-s
Index: calendar/e-cal-backend-exchange-tasks.c
===================================================================
RCS file: /cvs/gnome/evolution-exchange/calendar/e-cal-backend-exchange-tasks.c,v
retrieving revision 1.17
diff -u -p -u -p -r1.17 e-cal-backend-exchange-tasks.c
--- calendar/e-cal-backend-exchange-tasks.c	14 Jun 2005 13:12:43 -0000	1.17
+++ calendar/e-cal-backend-exchange-tasks.c	15 Jul 2005 12:22:12 -0000
@@ -1292,7 +1292,7 @@ remove_task_object (ECalBackendSync *bac
 	}
 
 	ecalbexcomp = get_exchange_comp (ecalbex, uid);
-	if (!ecalbexcomp && !ecalbexcomp->href)
+	if (!ecalbexcomp || !ecalbexcomp->href)
 		return GNOME_Evolution_Calendar_ObjectNotFound;		
 
         comp = e_cal_component_new ();