[pdal-commits] [PDAL/PDAL] 9ae1f7: Update Alpine version to 3.7 for Travis

[GitHub]

  Branch: refs/heads/travis-alpine-3.7
  Home:   https://github.com/PDAL/PDAL
  Commit: 9ae1f72dc720b90a7f8ca7f073134d6f0ce1af44
      https://github.com/PDAL/PDAL/commit/9ae1f72dc720b90a7f8ca7f073134d6f0ce1af44
  Author: Bradley J Chambers <brad.chambers at gmail.com>
  Date:   2018-02-05 (Mon, 05 Feb 2018)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Update Alpine version to 3.7 for Travis

We have been pushing Docker images built on Alpine v3.7, but our Travis config
has been stuck back on v3.6. These should match.