Log Message:
www/squid3: update to 3.5.29

Changes to squid-3.5.28 (15 Jul 2018):

	- SQUID-2018:1: crash processing SSL-Bumped traffic containing ESI
	- SQUID-2018:2: crash handling responses to internally generated requests
	- SQUID-2018:3 / CVE-2018-1172: crash in ESI Response processing
	- Bug 4861: HTTPMSGLOCK missing pointer safety
	- Bug 4829: IPC shared memory leaks when disker queue overflows
	- Bug 4767: SMP breaks IPv6 SNMP and cache manager queries
	- Bug 2821: Ignore Content-Range in non-206 responses
	- HTCP: Ignore HTCP packets with invalid URI
	- SSL-Bump: fix authentication with schemes other than Basic
	- TPROXY: Fix clientside_mark and client port logging
	- Fix "Cannot assign requested address" for to-origin TPROXY FTP data
	- Fix --with-netfilter-conntrack error message
	- Validate mime icon URL before allocating store entries
	- ... and many documentation changes