Debian packaging: Add changelog entry for 1.2-0

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2583 d4fa192b-c00b-0410-8231-f00ffab90ce4

debian/changelog

+varnish (1.2-0) unstable; urgency=low
+
+  * New upstream release
+
+ -- Stig Sandbeck Mathisen <ssm@linpro.no>  Mon, 10 Mar 2008 06:58:19 +0100
+
 varnish (1.1.2-1) unstable; urgency=low
 
   * Add debian revision