Merged revisions 61707 via svnmerge from

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

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r61707 | qwell | 2007-04-20 16:35:27 -0500 (Fri, 20 Apr 2007) | 8 lines

Avoid invalid seqno cycling detection.

Per comment from Dave Troy:
 This adds back in some simple typecasting I had in an earlier version
 which I realize now may be breaking things.

Issue #9554.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@61708 65c4cc65-6c06-0410-ace0-fbb531ad65f3