Merged revisions 205409 via svnmerge from

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

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  r205409 | dvossel | 2009-07-08 16:35:12 -0500 (Wed, 08 Jul 2009) | 6 lines
  
  moving ast_devstate_to_extenstate to pbx.c from devicestate.c
  
  ast_devstate_to_extenstate belongs in pbx.c.  This change
  fixes a compile time error with chan_vpb as well.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@205412 65c4cc65-6c06-0410-ace0-fbb531ad65f3