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svn:author
V 3
dim
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svn:date
V 27
2016-04-27T11:06:00.984142Z
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V 374
MFH: r414065

During the exp-run in bug 208158, it was found that dns/powerdns gives
errors with libc++ 3.8.0:

dnspacket.cc:645:6: error: call to 'abs' is ambiguous
  if(abs(trc->d_time - now) > trc->d_fudge) {
     ^~~

This is because abs() is being called with unsigned arguments.  Import
upstream commit f2d05dd to fix it.

Approved by:	portmgr (junovitch)
PR:		208725

END