Log Message:
Update squid package to 2.6.17 (2.6.STABLE17).

Changes to squid-2.6.STABLE17 (26 Nov 2007)

	- Fix compile error with old GCC 2.x or other ANSI-C compilers before
	  C99
	- Mention the login= cache_peer option in release notes
	- Fix bad cache_peer example in squid.conf
	- Bug #2086: Fix a compile-time memory corruption error causing cf_gen
	  to fail
	- Bug #2048: Clarify high_memory_warning usage
	- Reject DNS responses which result in no data
	- Fix version number in configuration manual
	- Move cache and request/reply_header_max_size to their proper
	  sections
	- Bug #2088: sbrk statistics broken when process size >2GB
	- Move logopen() much earlier to have fatal startup errors sent to the
	  proper syslog facility
	- Fix HTTP/0.9 responses
	- Correct bad example config for tos_outgoing_tos
	- Fix grammar in description of mail_program squid.conf option
	- Ignore Content-Length in chunked responses instead of rejecting the
	  response as invalid
	- Documented that http_port no longer have a default
	- Cleanup of cache digest documentation
	- Make aufs store rebuilding back off a little if I/O load too high
	- Bug #2100: Respect DNS ttl=0
	- Update udp_(incoming|outgoing)_address documentation to reflect
	  current bahaviour.
	- Update HTCP documentation
	- Document the overlapping helper request format
	- Change priority of proxy auth and extacl provided username in
	  login=*:pass
	- pack header entries on cache updates
	- Make squid_db_auth reopen the database connection on each query by
	  default
	- Improve helper debug ouput, including the channel number
	- Update cachePeerEntry MIB description to mention what is used as
	  index key
	- Import squid_radius_auth for authenticating to RADIUS