[NETLINK]: w1_int.c: fix default netlink group

w1 does not need to multicast its state to several groups at once,
and upcoming netlink changes will not allow bitmask for groups anyway.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index 8809788..f3f339d 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -86,7 +86,7 @@
 
 	dev->driver = driver;
 
-	dev->groups = 23;
+	dev->groups = 1;
 	dev->seq = 1;
 	dev->nls = netlink_kernel_create(NETLINK_W1, NULL, THIS_MODULE);
 	if (!dev->nls) {