Index: trunk/src_plugins/io_lihata/read.c
===================================================================
--- trunk/src_plugins/io_lihata/read.c	(revision 11862)
+++ trunk/src_plugins/io_lihata/read.c	(revision 11863)
@@ -816,6 +816,7 @@
 
 	if (!dt->via_tree)
 		dt->via_tree = pcb_r_create_tree(NULL, 0, 0);
+	sc->data->via_tree = dt->via_tree;
 
 	pcb_add_subc_to_data(dt, sc);