[GRASS-git] [OSGeo/grass] 75886f: g.region: fix setting from default region (#2397)

[Anna Petrasova]

  Branch: refs/heads/releasebranch_8_2
  Home:   https://github.com/OSGeo/grass
  Commit: 75886f0855f5dd63cffacbdbcae792c295f87572
      https://github.com/OSGeo/grass/commit/75886f0855f5dd63cffacbdbcae792c295f87572
  Author: Anna Petrasova <kratochanna at gmail.com>
  Date:   2022-05-26 (Thu, 26 May 2022)

  Changed paths:
    M general/g.region/main.c
    A general/g.region/testsuite/test_g_region.py

  Log Message:
  -----------
  g.region: fix setting from default region (#2397)

Fix after g.region was broken with #1627 (78d902d). Added test for d flag.