Index: png.c
===================================================================
--- png.c	(revision 26976)
+++ png.c	(revision 26977)
@@ -956,7 +956,7 @@
 	pcbhl_expose_main(&png_hid, &ctx, xform);
 
 	memcpy(pcb_layer_stack, saved_layer_stack, sizeof(pcb_layer_stack));
-	conf_update(NULL, -1); /* restore forced sets */
+	pcb_conf_update(NULL, -1); /* restore forced sets */
 }