Merged revisions 114120 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r114120 | qwell | 2008-04-14 13:31:57 -0500 (Mon, 14 Apr 2008) | 7 lines

The call_token on the pvt can occasionally be NULL, causing a crash.

If it is NULL, we can skip this channel, since it can't the one we're looking for.

(closes issue #9299)
Reported by: vazir

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114121 65c4cc65-6c06-0410-ace0-fbb531ad65f3