[GRASS-git] [OSGeo/grass] f449ea: Update main.c

[Markus Metz]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: f449ea5d908dd3fd15ad5bcb07734fc6ad7c2f56
      https://github.com/OSGeo/grass/commit/f449ea5d908dd3fd15ad5bcb07734fc6ad7c2f56
  Author: Markus Metz <33666869+metzm at users.noreply.github.com>
  Date:   2020-01-31 (Fri, 31 Jan 2020)

  Changed paths:
    M raster/r.slope.aspect/main.c

  Log Message:
  -----------
  Update main.c

r.slope.aspect: correct rounding of aspect for negative numbers