Log Message:
Update squid package to 2.5.13 (2.5.STABLE13).  Most of changes are
already in our previous package.  Here is changes from 2.5.12 (2.5.STABLE12):

Changes to squid-2.5.STABLE12 (12 Mar 2006)
	- [Minor] Fails to compile on Solaris and some other platforms
	  with undefined reference to setenv (Bug #1435)
	- [Cosmetic] Added WebDAV REPORT method to know HTTP methods list
	- [Minor] Squid ntlm_auth (not the Samba provided one) giving
	  odd results if --enable-ntlm-fail-open is used (Bug #1022)
	- [Minor] wbinfo_group.pl doesn't work with Samba 3.0.21 and later
	  (Bug #1472)
	- [Minor] Squid crash when asyncio function counters url accessed
	  from Cachemgr CGI (Bug #1464)
	- [Cosmetic] Linix compile warning about prctl called with too few
 	  arguments (Bug #1483)
	- [Minor] Wrong timezone declaration for 64 bit Irix (Bug #1479)
	- [Minor] Some 206 responses logged incorrectly (Bug #1511)
	- [Minor] Issues in processing ranges on objects >2GB (Bug #437)
	- [Cosmetic] Segmentation fault on empty proxy_auth ACLs (Bug #1414)
	- [Minor] Ident access lists don't work in delay_access statements
	  (Bug #1428)
	- [Minor] Some clients support NTLM even if not initially negotiating
	  persistent connections (Bug #1447)
	- [Medium] 504 Gateway Time-out on FTP uploads (Bug #1459)
	- [Medium] delay pools given too much bandwidht after "-k reconfigure"
	  (Bug #1481)
	- [Cosmetic] New persistent_connection_after_error configuration
	  directive (Bug #1482)
	- [Cosmetic] Hangs at 100% CPU if /dev/null is not accessible (Bug
	  #1484)
	- [Minor] Fails to compile on Fedora Core 5 test 2 x86_64 (Bug #1492)
	- [Cosmetic] Typo in ftp.c (Bug #1507)
	- [Cosmetic] Error in FTP listings of files with -> in their name
	  (Bug #1508)
	- [Cosmetic] With Squid-2.5 there is no more the DUPLICATE IP logging
 	  in cache.log (Bug #779)
	- [Minor] Fails to process long host names (Bug #1434)
	- [Cosmetic] Azerbaijani errors translation (Bug #1454)
	- [Cosmetic] misleading error message message for bad/unresolveable
	  cache_peer name (Bug #1504)
	- [Cosmetic] confusing statistics on stateful helpers (NTLM auth)
	  (Bug #1506)
	- [Major] connstate memory leak (Bug #1522)