[NET]: cleanup extra semicolons

Spring cleaning time...

There seems to be a lot of places in the network code that have
extra bogus semicolons after conditionals.  Most commonly is a
bogus semicolon after: switch() { }

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/multipath_drr.c b/net/ipv4/multipath_drr.c
index 574c735..b03c5ca 100644
--- a/net/ipv4/multipath_drr.c
+++ b/net/ipv4/multipath_drr.c
@@ -100,7 +100,7 @@
 
 		spin_unlock_bh(&state_lock);
 		break;
-	};
+	}
 
 	return NOTIFY_DONE;
 }