[GRASS-git] [OSGeo/grass] 07ac22: d.rast.arrow: Fix negative drainage directions (#777)

[Huidae Cho]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 07ac22bf5417ec1bc712e1bc08638f19d6896c3a
      https://github.com/OSGeo/grass/commit/07ac22bf5417ec1bc712e1bc08638f19d6896c3a
  Author: Huidae Cho <grass4u at gmail.com>
  Date:   2020-07-12 (Sun, 12 Jul 2020)

  Changed paths:
    M display/d.rast.arrow/main.c

  Log Message:
  -----------
  d.rast.arrow: Fix negative drainage directions (#777)