[GRASS-git] [OSGeo/grass] c8a769: d.rast.arrow: Fix negative drainage directions (#777)

[Huidae Cho]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: c8a7691c32e773ed82f854f887f6fc1ffbf6e918
      https://github.com/OSGeo/grass/commit/c8a7691c32e773ed82f854f887f6fc1ffbf6e918
  Author: Huidae Cho <grass4u at gmail.com>
  Date:   2020-07-11 (Sat, 11 Jul 2020)

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

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