[GRASS-git] [OSGeo/grass-addons] 7b5e04: i.fusion.hpf: don't crash with empty msx input

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 7b5e04a89a58d36fd465b256f758ba283f9e69c4
      https://github.com/OSGeo/grass-addons/commit/7b5e04a89a58d36fd465b256f758ba283f9e69c4
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-09-07 (Mon, 07 Sep 2020)

  Changed paths:
    M grass7/imagery/i.fusion.hpf/i.fusion.hpf.py

  Log Message:
  -----------
  i.fusion.hpf: don't crash with empty msx input