Typo in url

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275261 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -606,7 +606,7 @@ Other changes:
 
 * New filter <concatfilter>. Adds the content of file at the beginning
   or end of a file. Discussion started at
-  http://marc.theaimsgroup.com/?l=ant-user&m=106336791228585&w=2
+  http://marc.theaimsgroup.com/?l=ant-user&m=106366791228585&w=2
 
 Changes from Ant 1.5.3 to Ant 1.5.4
 ===================================