Merged revisions 339885 via svnmerge from

Merged revisions 339885 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/10

................
  r339885 | igorg | 2011-10-08 22:46:27 +0700 (Сбт, 08 Окт 2011) | 13 lines

  Merged revisions 339884 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.8

  ........
    r339884 | igorg | 2011-10-08 22:45:20 +0700 (Сбт, 08 Окт 2011) | 7 lines

    Fix segfault in Unistim channel

    (closes issue ASTERISK-18638)
    Reported by: jonnt
  ........
................

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@339886 65c4cc65-6c06-0410-ace0-fbb531ad65f3