[GRASS-git] [OSGeo/grass] 26e3ca: proj 6+ support (#183)

[Markus Metz]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 26e3ca7786a21bcf1080795b59318f23dd4ad79f
      https://github.com/OSGeo/grass/commit/26e3ca7786a21bcf1080795b59318f23dd4ad79f
  Author: Markus Metz <33666869+metzm at users.noreply.github.com>
  Date:   2020-05-14 (Thu, 14 May 2020)

  Changed paths:
    M configure
    M configure.in

  Log Message:
  -----------
  proj 6+ support (#183)

check if share/proj/epsg exists only for PROJ < 6
cosmetic change, no need to backport

configure recreated with autoconf-2.13