[GRASS-git] [OSGeo/grass] f6af67: fix -Wself-assign compiler warnings (#2162)

[Nicklas Larsson]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: f6af67c79f366f6f8be3f584f4386797091c8224
      https://github.com/OSGeo/grass/commit/f6af67c79f366f6f8be3f584f4386797091c8224
  Author: Nicklas Larsson <n_larsson at yahoo.com>
  Date:   2022-02-09 (Wed, 09 Feb 2022)

  Changed paths:
    M lib/arraystats/class.c

  Log Message:
  -----------
  fix -Wself-assign compiler warnings (#2162)