[GRASS-git] [OSGeo/grass] fbbf6c: g.extension: fix make command on FreeBSD (#2075)

[Loïc Bartoletti]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: fbbf6c01ac97f83d1f0aadaf15f52fda8032b8b4
      https://github.com/OSGeo/grass/commit/fbbf6c01ac97f83d1f0aadaf15f52fda8032b8b4
  Author: Loïc Bartoletti <lbartoletti at users.noreply.github.com>
  Date:   2022-01-09 (Sun, 09 Jan 2022)

  Changed paths:
    M scripts/g.extension/g.extension.py

  Log Message:
  -----------
  g.extension: fix make command on FreeBSD (#2075)

* g.extension: fix make command on FreeBSD

GRASS Makefile are type of GNU Make and not BSD Make.
On FreeBSD (and other BSD and maybe unix) we have to
use GNU Make program often "gmake" to distinct with the (bsd) "make"