Merged revisions 291758 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r291758 | pabelanger | 2010-10-14 11:15:12 -0400 (Thu, 14 Oct 2010) | 11 lines
  
  Add the ability for ast_find_ourip to return IPv4, IPv6 or both.
  
  While testing chan_gtalk I noticed jabber was using my IPv6 address
  and not IPv4. When using bindaddr=0.0.0.0 it is possible for ast_find_ourip()
  to return both IPv6 and IPv4 results.  Adding a family parameter gives you
  the ablility to choose.
  
  Since jabber/gtalk/h323 do not support IPv6, we should only return IPv4 results.
  
  Review: https://reviewboard.asterisk.org/r/973/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@291760 65c4cc65-6c06-0410-ace0-fbb531ad65f3