[GRASS-git] [OSGeo/grass] 7c4e83: fix trac URL to GH URL

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 7c4e835206a10457eca22340b7d6e0f27507520c
      https://github.com/OSGeo/grass/commit/7c4e835206a10457eca22340b7d6e0f27507520c
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-04-21 (Tue, 21 Apr 2020)

  Changed paths:
    M raster/r.in.mat/r.in.mat.html

  Log Message:
  -----------
  fix trac URL to GH URL