Merged revisions 90166,90736,90753 via svnmerge from

Merged revisions 90166,90736,90753 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r90166 | tilghman | 2007-11-29 13:48:10 -0600 (Thu, 29 Nov 2007) | 3 lines

Properly escape cdr->src and cdr->dst and ensure we use thread-safe escaping
(Fixes AST-2007-026)

........
r90736 | tilghman | 2007-12-03 17:23:55 -0600 (Mon, 03 Dec 2007) | 5 lines

If both dbhost and dbsock were not set, a NULL deref could result
Reported by: xrg
Patch by: tilghman
(Closes issue #11387)

........
r90753 | tilghman | 2007-12-03 17:50:51 -0600 (Mon, 03 Dec 2007) | 5 lines

Solaris requires the inclusion of sys/loadavg.h for getloadavg().
Reported by: snuffy
Patch by: snuffy,tilghman
(Closes issue #11430)

........

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@91561 65c4cc65-6c06-0410-ace0-fbb531ad65f3