[GRASS-git] [OSGeo/grass] bf10eb: manual backport of #2842 (#2843)

[Markus Metz]

  Branch: refs/heads/releasebranch_8_2
  Home:   https://github.com/OSGeo/grass
  Commit: bf10ebc5659de3e99e5df610f9b58f1a2ff4e529
      https://github.com/OSGeo/grass/commit/bf10ebc5659de3e99e5df610f9b58f1a2ff4e529
  Author: Markus Metz <33666869+metzm at users.noreply.github.com>
  Date:   2023-02-21 (Tue, 21 Feb 2023)

  Changed paths:
    M raster/r.cost/flag.c
    M raster/r.cost/main.c
    M raster/r.walk/flag.c
    M raster/r.walk/main.c

  Log Message:
  -----------
  manual backport of #2842 (#2843)