Merged revisions 313001 via svnmerge from

Merged revisions 313001 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r313001 | alecdavis | 2011-04-07 22:19:31 +1200 (Thu, 07 Apr 2011) | 13 lines

  Fix ISDN calling subaddr User Specified Odd/Even Flag

  Calculation of the Odd/Even flag was wrong.
  Implement correct algo, and set odd/even=0 if data would be truncated.
  Only allow automatic calculation of the O/E flag, don't let dialplan influence.

  (closes issue #19062)
  Reported by: festr
  Patches:
        bug19062.diff2.txt uploaded by alecdavis (license 585)
  Tested by: festr, alecdavis, rmudgett
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@313005 65c4cc65-6c06-0410-ace0-fbb531ad65f3