debian/changelog: updated

debian/changelog

@@ -23,6 +23,7 @@ apt (0.7.25.1) UNRELEASED; urgency=low
     - add Acquire::http::ProxyAutoDetect configuration that 
       can be used to call a external helper to figure out the 
       proxy configuration and return it to apt via stdout
+      (this is a step towards WPAD and zeroconf/avahi support)
 
  -- Michael Vogt <michael.vogt@ubuntu.com>  Fri, 18 Dec 2009 16:54:18 +0100