Put include <netgraph.h> back in - problem was due to a cvsup mess on

freefall.  There may also be a real problem w/ buildworld but the fix
    would go somewhere else, not here.

usr.bin/netstat/netgraph.c

@@ -48,6 +48,7 @@ static const char rcsid[] =
 
 #include <net/route.h>
 
+#include <netgraph.h>
 #include <netgraph/ng_message.h>
 #include <netgraph/ng_socket.h>
 #include <netgraph/ng_socketvar.h>

usr.sbin/ngctl/ngctl.h

@@ -52,6 +52,7 @@
 #include <errno.h>
 #include <err.h>
 
+#include <netgraph.h>
 #include <netgraph/ng_socket.h>
 #include <netgraph/ng_message.h>
 

usr.sbin/nghook/main.c

@@ -51,7 +51,7 @@
 #include <sys/socket.h>
 #include <sys/select.h>
 
-#include <netgraph/ng_message.h>
+#include <netgraph.h>
 
 #define DEFAULT_HOOKNAME	"debug"
 #define NG_SOCK_HOOK_NAME	"hook"