Moved the substrate plane/restore further out so that planes are

not restored until after all cells have been processed through
extraction.  Otherwise, top-down connections can end up with
different generated names for the same node, resulting in a
disconnect in the netlist.

extflat/EFbuild.c

@@ -32,6 +32,7 @@ static char rcsid[] __attribute__ ((unused)) = "$Header$";
 #include "utils/malloc.h"
 #include "extflat/extflat.h"
 #include "extflat/EFint.h"
+#include "tiles/tile.h"
 #include "extract/extract.h"	/* for device class list */
 
 /*

extflat/EFvisit.c

@@ -34,6 +34,7 @@ static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/
 #include "utils/utils.h"
 #include "extflat/extflat.h"
 #include "extflat/EFint.h"
+#include "tiles/tile.h"
 #include "extract/extract.h"
 
 /* Root of the tree being flattened */