split/Tioga/texout.c in tioga-1.8 vs split/Tioga/texout.c in tioga-1.9

@@ -513,10 +513,10 @@
   /* We transform coordinates into an array 
      (topleft, topright,  botright, botleft)
      of arrays (xy) of doubles 
   */
   OBJ_PTR points = Array_New(0);
-  OBJ_PTR current_point = NULL;
+  OBJ_PTR current_point = OBJ_NIL;
   int i;
   for(i = 0; i < 8; i++) {
     char buf[4];
     if(! (i % 2)) {
       current_point = Array_New(0);