diff -r a579325b79dd -r 1422c6cd3f0c linklayerprotocols/slipnif/SRC/SLIP.H
--- a/linklayerprotocols/slipnif/SRC/SLIP.H	Tue Feb 02 01:27:53 2010 +0200
+++ b/linklayerprotocols/slipnif/SRC/SLIP.H	Sat Feb 20 00:22:11 2010 +0200
@@ -28,6 +28,7 @@
 #include <es_mbuf.h>
 #include <comms-infras/nifif.h>
 #include <nifutl.h>
+#include <es_prot.h>
 
 ////////////////////////////////////////////////////////////////////////////////