Pullup ticket #2687 - requested by taca

Pullup ticket #2687 - requested by taca
squid27: security update

Revisions pulled up:
- www/squid27/Makefile				1.5
- www/squid27/distinfo				1.4
- www/squid27/patches/patch-ab			1.2
- www/squid27/patches/patch-ac			1.2
---
Module Name:	pkgsrc
Committed By:	taca
Date:		Thu Feb  5 13:43:06 UTC 2009

Modified Files:
	pkgsrc/www/squid27: Makefile distinfo
	pkgsrc/www/squid27/patches: patch-ab patch-ac

Log Message:
Update www/squid27 package to 2.7.6(2.7.STABLE6).

Changes to squid-2.7.STABLE6 (4 February 2009)
	- Bug #2494: Fix tproxy url in configure
	- Correct latency measurements
	- Correct upgrade_http0.9 example
	- Correct parsing of invalid http version numbers
	- Crossreference authenticate_ip_shortcircuit_access and
	  authenticate_ip_shortcircuit_ttl
	- Add in some better documentation for override-expire.