Merged revisions 79904 via svnmerge from

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

(closes issue #10430)
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r79904 | qwell | 2007-08-17 14:12:19 -0500 (Fri, 17 Aug 2007) | 11 lines

Don't send a semicolon over the wire in sip notify messages.
Caused by fix for issue 9938.

I basically took the code that existed before 9938 was fixed, and
 copied it into a new function - ast_unescape_semicolon

There should be very few places this will be needed (pbx_config
 does NOT need this (see issue 9938 for details))

Issue 10430, patch by me, with help/ideas from murf (thanks murf).

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@79905 65c4cc65-6c06-0410-ace0-fbb531ad65f3