bonding: Fixed up a error "do not initialise statics to 0 or NULL" in bond_main.c

The error is found by the checkpatch.pl tools.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 5cd8e0a..414d07e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -106,7 +106,7 @@
 static char *arp_validate;
 static char *arp_all_targets;
 static char *fail_over_mac;
-static int all_slaves_active = 0;
+static int all_slaves_active;
 static struct bond_params bonding_defaults;
 static int resend_igmp = BOND_DEFAULT_RESEND_IGMP;