Merged revisions 85556 via svnmerge from

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

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r85556 | russell | 2007-10-15 10:40:45 -0500 (Mon, 15 Oct 2007) | 9 lines

Ensure the buffer passed to ast_canmatch_extension() is properly initialized so
that it is null terminated.

(issue #10977)
Reported by: dimas
Patches: 
      pbxdundi.patch uploaded by dimas (license 88)
	    - small mods by me

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@85557 65c4cc65-6c06-0410-ace0-fbb531ad65f3