Merged revisions 334617 via svnmerge from

Merged revisions 334617 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/10

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  r334617 | alecdavis | 2011-09-07 19:45:00 +1200 (Wed, 07 Sep 2011) | 17 lines

  Merged revisions 334616 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.8

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    r334616 | alecdavis | 2011-09-07 19:33:39 +1200 (Wed, 07 Sep 2011) | 10 lines

    Prevent segfault if call arrives before Asterisk is fully booted.

    Prevent ast_pbx_start and ast_run_start from starting a new thread unless asterisk
    is fully booted.

    alecdavis (license 585)
    Tested by: alecdavis

    Review: https://reviewboard.asterisk.org/r/1407/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@334618 65c4cc65-6c06-0410-ace0-fbb531ad65f3