[GRASS-git] [OSGeo/grass-addons] baf83d: r.pi.fnn: fix compilation

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: baf83d0b2202372966efc34ea76a2708e3c04075
      https://github.com/OSGeo/grass-addons/commit/baf83d0b2202372966efc34ea76a2708e3c04075
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2021-03-01 (Mon, 01 Mar 2021)

  Changed paths:
    M grass7/raster/r.pi/r.pi.enn/matrix.c
    M grass7/raster/r.pi/r.pi.fnn/heap.c
    M grass7/raster/r.pi/r.pi.fnn/matrix.c

  Log Message:
  -----------
  r.pi.fnn: fix compilation

* r.pi.enn + r.pi.fnn: fix error message

Co-authored-by: Anna Petrasova <kratochanna at gmail.com>