Include kernel.h to get NET_NEEDS_GIANT() definition, which for some

reason compiled fine here.  I may be running with other include file
changes locally.

MFC after:	3 days

sys/netipx/ipx_ip.c

@@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
 #endif
 
 #include <sys/param.h>
+#include <sys/kernel.h>
 #include <sys/systm.h>
 #include <sys/malloc.h>
 #include <sys/mbuf.h>