topo building bugfix

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@38379 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/vector/Vlib/build_nat.c

@@ -84,9 +84,9 @@ int Vect_build_line_area(struct Map_info *Map, int iline, int side)
     }
     APoints->n_points++; /* close polygon */
 
-    /* dig_find_area_poly(APoints, &area_size); */
+    dig_find_area_poly(APoints, &area_size);
 
-    area_size = dig_find_poly_orientation(APoints);
+    /* area_size = dig_find_poly_orientation(APoints); */
     /* area_size is not real area size, we are only interested in the sign */
 
     G_debug(3, "  area/isle size = %f", area_size);