[GRASS-git] [OSGeo/grass] 13f85f: v.surf.idw: less confusing error message (#1332)

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 13f85ff6d77d30d31541ef6f4d6f9ee1542ded94
      https://github.com/OSGeo/grass/commit/13f85ff6d77d30d31541ef6f4d6f9ee1542ded94
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2021-02-14 (Sun, 14 Feb 2021)

  Changed paths:
    M vector/v.surf.idw/main.c

  Log Message:
  -----------
  v.surf.idw: less confusing error message (#1332)