[GRASS-git] [OSGeo/grass] e2d6fd: use nstack only when walkers output needed (#332)

[Anna Petrasova]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: e2d6fdd489c0157be8097ef9eb95398de2a146de
      https://github.com/OSGeo/grass/commit/e2d6fdd489c0157be8097ef9eb95398de2a146de
  Author: Anna Petrasova <kratochanna at gmail.com>
  Date:   2020-02-06 (Thu, 06 Feb 2020)

  Changed paths:
    M raster/r.sim/simlib/hydro.c

  Log Message:
  -----------
  use nstack only when walkers output needed (#332)