Log Message:
Update squid package to 2.5.12 (squid-2.5.STABLE12).

Changes to squid-2.5.STABLE12 (22 Oct 2005)

	- [Major] Error introduced in 2.5.STABLE11 causing truncated responses
	  when using delay pools (Bug #1405)
	- [Cosmetic] Document that tcp_outgoing_* works badly in combination
	  with server_persistent_connections (Bug #454)
	- [Cosmetic] Add additinal tracing to squid_ldap_auth making
	  diagnostics easier on squid_ldap_auth configuration errors
	  (Bug #1395)
	- [Minor] $HOME not set when started as root (Bug #1401)
	- [Minor] httpd_accel_single_host breaks in combination with
	  server_persistent_connections (Bug #1402)
	- [Cosmetic] Setting CACHE_HTTP_PORT to configure was only partially
	  implemented, effectively ignored. (Bug #1403)
	- [Minor] CNAME based DNS addresses could get cached for longer
	  than intended (Bug #1404)
	- [Minor] Incorrect handling of squid-internal-dynamic/netdb exchanges
	  in transparently intercepting proxies (Bug #1410).
	- [Minor] Cache revalidations on HEAD requests causing poor cache
	  hit ratio (Bug #1411).
	- [Minor] Not possible to send 302 redirects via a redirector in
	  response to CONNECT requests (bug #1412)
	- [Minor] Incorrect handling of Set-Cookie on cache refreshes (Bug
	  #1419)
	- [Major] Segmentation fault crash in rfc1738_do_escape (Bug #1426)
	- [Minor] Delay pools class 3 fails on clients in network 255
	  (Bug #1431)