Merged revisions 220873 via svnmerge from

Merged revisions 220873 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r220873 | tilghman | 2009-09-29 12:59:26 -0500 (Tue, 29 Sep 2009) | 9 lines

  Reduce CPU usage related to building a peer merely for devicestates.
  This fixes a 100% CPU problem in the SIP driver, found by profiling
  the driver while the problem was occurring.
  (closes issue #14309)
   Reported by: pkempgen
   Patches:
         20090924__issue14309.diff.txt uploaded by tilghman (license 14)
   Tested by: pkempgen, vrban
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@220906 65c4cc65-6c06-0410-ace0-fbb531ad65f3