Log Message:
Update www/squid to squid-2.6.10 (squid-2.6.STABLE10).

Changes to squid-2.6.STABLE10 (Mar  4 2007)

	- Upgrade HTTP/0.9 responses to our HTTP version (HTTP/1.0)
	- various diskd bugfixes
	- In the access.log hierarchy field log the unique peer name
	  instead of the host name
	- unlinkdClose() should be called after (not before) storeDirSync()
	- CLEAN_BUF_SZ was defined, but never used anywhere
	- logging HTTP-request size
	- Fix icmp pinger communication on FreeBSD and other not supporing
	  large dgram AF_UNIX sockets
	- Release objects on swapin failure
	- Bug #1787: Objects stuck in cache if origin server clock in future
	- Bug #1420: 302 responses with an Expires header is always cached
	- Primitive support for HTTP/1.1 chunked encoding, working around
	  broken servers
	- Clean up relations between TCP probing and DNS checks of peers with
	  no known addresses.
	- Fix a minor HTML coding error in ftp directory listings with // in
	  the path
	- Bug #1875, #1420. Cleanup of refresh logics when dealing with
	  non-refreshable content
	- Negotiate authentication fixed again. Broken since STABLE7 by the
	  patch for Bug #1792.
	- Bug #1892: COSS tries to shut down the same directory twice on exit
	- Bug #1908: store*DirRebuildFromSwapLog() ignores some SWAP_LOG_DEL
	  entries
	- Added support for Subversion HTTP request methods MKACTIVITY,
	  CHECKOUT and MERGE.