[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/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9ba9e92..33ccc95 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2288,7 +2288,7 @@
 		default:
 			addrconf_dev_config(dev);
 			break;
-		};
+		}
 		if (idev) {
 			if (run_pending)
 				addrconf_dad_run(idev);
@@ -2341,7 +2341,7 @@
 		}
 #endif
 		break;
-	};
+	}
 
 	return NOTIFY_OK;
 }