Use the new development page URL in the announcement.

ANNOUNCE

diff --git a/ANNOUNCE b/ANNOUNCE
index 54512e7..073e3f8 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -32,7 +32,7 @@
 and wine-doc.ps.gz.
 
 You can also get the current source directly from the CVS tree. Check
-http://www.winehq.com/dev.html for details.
+http://www.winehq.com/dev.shtml for details.
 
 If you submitted a patch, please check to make sure it has been
 included in the new release.