--- libnl-2.0/lib/route/link/vlan.c	2011-01-31 19:53:45.000000000 -0500
+++ libnl-2.0/lib/route/link/vlan.c	2011-01-31 19:53:51.000000000 -0500
@@ -47,6 +47,10 @@
 };
 /** @endcond */
 
+#ifndef VLAN_FLAG_REORDER_HDR
+#define VLAN_FLAG_REORDER_HDR 0x1
+#endif
+
 static struct trans_tbl vlan_flags[] = {
 	__ADD(VLAN_FLAG_REORDER_HDR, reorder_hdr)
 };