[pdal-commits] [PDAL/PDAL] 30f40e: Backport relevant parts of #2565.

[Andrew Bell]

  Branch: refs/heads/2.0-maintenance
  Home:   https://github.com/PDAL/PDAL
  Commit: 30f40e3ed702aaafb468dfcef6e8d17e714d27df
      https://github.com/PDAL/PDAL/commit/30f40e3ed702aaafb468dfcef6e8d17e714d27df
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2020-01-08 (Wed, 08 Jan 2020)

  Changed paths:
    M pdal/Polygon.cpp
    M pdal/Polygon.hpp
    M test/unit/PolygonTest.cpp

  Log Message:
  -----------
  Backport relevant parts of #2565.