Fix worker thread resource leak in SIP TCP/TLS.
The SIP TCP/TLS worker threads were created joinable but noone could join
them if they died on their own.
* Fix the SIP TCP/TLS worker threads to not be created joinable.
* _sip_tcp_helper_thread() only needs one parameter since the pvt
parameter is only passed in as NULL and never used.
(closes issue ASTERISK-19203)
Reported by: Steve Davies
Review: https://reviewboard.asterisk.org/r/1714/
........
Merged revisions 356677 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........
Merged revisions 356690 from http://svn.asterisk.org/svn/asterisk/branches/10
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@356697
65c4cc65-6c06-0410-ace0-
fbb531ad65f3