libogsf: fix color rendering of 3D vector lines with defined color table (merge from trunk, https://trac.osgeo.org/grass/changeset/61464)

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@61465 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/ogsf/gvd.c

@@ -214,7 +214,6 @@ int gvd_vect(geovect * gv, geosurf * gs, int do_fast)
 		G_debug(5, "gvd_vect(): 3D vector line");
 		points = (Point3 *) malloc(sizeof(Point3));
 
-		gsd_color_func(gv->style->color);
 		gsd_bgnline();
 		for (k = 0; k < gln->npts; k++) {
 		    points[0][X] =