[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/core/pktgen.c b/net/core/pktgen.c
index f9469ea..b92a322 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -786,7 +786,7 @@
 			break;
 		default:
 			goto done;
-		};
+		}
 	}
 done:
 	return i;
@@ -829,7 +829,7 @@
 			break;
 		default:
 			break;
-		};
+		}
 	}
 done_str:
 	return i;
@@ -1906,7 +1906,7 @@
 	case NETDEV_UNREGISTER:
 		pktgen_mark_device(dev->name);
 		break;
-	};
+	}
 
 	return NOTIFY_DONE;
 }