d.rast.num: fix grid option label (was Backgroud color), readable lables, text color first

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@61254 15284696-431f-4ddb-bdfa-cd5b030d7da7

display/d.rast.num/main.c

@@ -82,17 +82,20 @@ int main(int argc, char **argv)
 
     opt.map = G_define_standard_option(G_OPT_R_MAP);
 
+    opt.text_color = G_define_standard_option(G_OPT_C_FG);
+    opt.text_color->key = "text_color";
+    opt.text_color->label = _("Text color");
+    opt.text_color->description = _("Color in GRASS format for drawing text");
+    opt.text_color->guisection = _("Colors");
+
+    /* using G_OPT_C_BG because it gives none but semantically it is not BG */
     opt.grid_color = G_define_standard_option(G_OPT_C_BG);
     opt.grid_color->key = "grid_color";
     opt.grid_color->answer = "gray";
-    opt.grid_color->description = _("Color for drawing grid, or \"none\"");
+    opt.grid_color->label = _("Grid color");
+    opt.grid_color->description = _("Color in GRASS format for drawing grid, or \"none\"");
     opt.grid_color->guisection = _("Colors");
 
-    opt.text_color = G_define_standard_option(G_OPT_C_FG);
-    opt.text_color->key = "text_color";
-    opt.text_color->description = _("Color for drawing text");
-    opt.text_color->guisection = _("Colors");
-    
     opt.prec = G_define_option();
     opt.prec->key = "dp";
     opt.prec->type = TYPE_INTEGER;