fix warning and compiletime error in neighbour.c

Hi Marcelo,

This patch fixes the following:
gcc -D__KERNEL__ -I/home/mb/kernel/linux-2.4.28-rc1-bk4/include \
-Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing \
-fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2 \
-march=i586 -nostdinc -iwithprefix include \
-DKBUILD_BASENAME=neighbour -c -o neighbour.o neighbour.c neighbour.c: In function `neigh_seq_stop':
neighbour.c:1805: warning: unused variable `tbl' neighbour.c: At top level:
neighbour.c:1901: THIS_MODULE' undeclared here (not in a function) neighbour.c:1901: initializer element is not constant neighbour.c:1901: (near initialization for neigh_stat_seq_fops.owner')

Sorry for the attachment. My mailer is currently broken and corrupts diffs.

@@ -31,6 +31,7 @@
 #include <net/sock.h>
 #include <linux/rtnetlink.h>
 #include <linux/random.h>
+#include <linux/module.h>
 
 #define NEIGH_DEBUG 1
 

@@ -1801,10 +1802,7 @@
 
 void neigh_seq_stop(struct seq_file *seq, void *v)
 {
-	struct neigh_seq_state *state = seq->private;
-	struct neigh_table *tbl = state->tbl;
-
-	read_unlock_bh(&tbl->lock);
+	read_unlock_bh(&seq->private->tbl->lock);
 }
 
 /* statistics via seq_file */