Fix typo.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23468 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActivityTool.py

@@ -105,7 +105,7 @@ def enableActivityCreationTrace():
 
 def disableActivityCreationTrace():
   global activity_creation_trace
-  activity_creation_trace = false
+  activity_creation_trace = False
 
 # Here go ActivityBuffer instances
 # Structure: