[tasque/new_cache] Added a check for a null category to RtmBackend

[Brian G. Merrell <bgmerrell src gnome org>]

commit f440195d55be37ef91ce08bf2ac642cfeec5e344
Author: bgmerrell <bean cobweb provo novell com>
Date:   Sun May 17 18:23:38 2009 -0600

    Added a check for a null category to RtmBackend
    
    I added a check for a null category in the CreateTask method of the
    RtmBackend.  This will stop the crashing that was occuring, but
    categories still need to be fixed.
---
 src/Backends/Rtm/RtmBackend.cs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/Backends/Rtm/RtmBackend.cs b/src/Backends/Rtm/RtmBackend.cs
index bf49357..e072fbe 100644
--- a/src/Backends/Rtm/RtmBackend.cs
+++ b/src/Backends/Rtm/RtmBackend.cs
@@ -94,7 +94,7 @@ namespace Tasque.Backends.RtmBackend
 			string categoryID;
 			RtmTask rtmTask = null;
 			
-			if(category is Tasque.AllCategory)
+			if(category == null || category is Tasque.AllCategory)
 				categoryID = null;
 			else
 				categoryID = (category as RtmCategory).ID;