vlib: fix typo

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50615 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/vector/Vlib/area.c

@@ -60,7 +60,7 @@ int Vect_get_area_points(const struct Map_info *Map,
 	G_debug(3, "  append line(%d) = %d", i, line);
 
 	if (0 > Vect_read_line(Map, Points, NULL, aline)) {
-	    G_fatal_error(_("Unable to read read line %d"), aline);
+	    G_fatal_error(_("Unable to read line %d"), aline);
 	}
 
 	G_debug(3, "  line n_points = %d", Points->n_points);