Merged revisions 43915 via svnmerge from

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

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r43915 | file | 2006-09-28 13:31:09 -0400 (Thu, 28 Sep 2006) | 2 lines

Make sure the pvt exists before accessing it again as it may have gone away (issue #7562 reported by Seb7 and issue #7939 reported by sorg)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@43917 65c4cc65-6c06-0410-ace0-fbb531ad65f3