Pullup ticket #5619 - requested by sevan
math/R: Darwin build fix

Revisions pulled up:
- math/R/PLIST.Darwin                                          1.6

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  Module Name:    pkgsrc
  Committed By:  jperkin
  Date:          Mon Oct 30 11:49:38 UTC 2017

  Modified Files:
          pkgsrc/math/R: PLIST.Darwin

  Log Message:
  R: Add missing zoneinfo file from previous update.

(bsiegert)