[GRASS-git] [OSGeo/grass] ae3760: GIS_H_DATE: switch to date -Iseconds format (#485)

[Martin Landa]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: ae37604d5a13e39b2a11a99c5690d9b7f80fff6c
      https://github.com/OSGeo/grass/commit/ae37604d5a13e39b2a11a99c5690d9b7f80fff6c
  Author: Martin Landa <landa.martin at gmail.com>
  Date:   2020-04-24 (Fri, 24 Apr 2020)

  Changed paths:
    M configure
    M configure.in
    M general/g.version/main.c
    M include/version.h.in

  Log Message:
  -----------
  GIS_H_DATE: switch to date -Iseconds format (#485)

Co-authored-by: Huidae Cho <grass4u at gmail.com>