Merged revisions 228079 via svnmerge from

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

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  r228079 | qwell | 2009-11-05 13:14:25 -0600 (Thu, 05 Nov 2009) | 8 lines
  
  Fix crash on VPB exception when no hardware is present.
  
  (closes issue #14970)
  Reported by: tzafrir
  Patches:
        vpb_exception.diff uploaded by tzafrir (license 46)
  Tested by: markwaters
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@228080 65c4cc65-6c06-0410-ace0-fbb531ad65f3