[GRASS-git] [OSGeo/grass] c37871: Fix -Wunused-variable compiler warnings (#2158)

[Nicklas Larsson]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: c37871b51d202b155b64ba04288c4242826936f2
      https://github.com/OSGeo/grass/commit/c37871b51d202b155b64ba04288c4242826936f2
  Author: Nicklas Larsson <n_larsson at yahoo.com>
  Date:   2022-02-09 (Wed, 09 Feb 2022)

  Changed paths:
    M display/d.grid/plot.c
    M display/d.histogram/main.c
    M display/d.where/main.c
    M general/g.parser/translate.c
    M general/g.region/printwindow.c
    M imagery/i.aster.toar/main.c
    M imagery/i.eb.hsebal01/main.c
    M imagery/i.eb.netrad/main.c
    M imagery/i.eb.netrad/r_net.c
    M imagery/i.emissivity/main.c
    M imagery/i.evapo.time/main.c
    M imagery/i.ortho.photo/i.ortho.elev/main.c
    M imagery/i.ortho.photo/i.ortho.photo/menu.c
    M lib/gis/locale.c
    M lib/gis/make_loc.c
    M lib/gis/parser_json.c
    M lib/imagery/manage_signatures.c
    M lib/proj/do_proj.c
    M lib/raster/init.c
    M lib/vector/Vlib/intersect2.c
    M lib/vector/Vlib/overlay.c
    M lib/vector/diglib/update.c
    M raster/r.fill.stats/main.c
    M raster/r.geomorphon/main.c
    M raster/r.kappa/prt2csv_mat.c
    M raster/r.random.surface/init.c
    M raster/r.sim/r.sim.water/main.c
    M raster/r.support/check.c
    M raster/r.viewshed/grass.cpp
    M raster/r.watershed/seg/slope_len.c
    M raster3d/r3.null/main.c
    M raster3d/r3.to.rast/main.c
    M vector/v.extract/main.c
    M vector/v.info/parse.c
    M vector/v.out.ogr/export_areas.c
    M vector/v.overlay/area_area.c
    M vector/v.to.rast/support.c
    M vector/v.vol.rst/user1.c

  Log Message:
  -----------
  Fix -Wunused-variable compiler warnings (#2158)