checkstyle fixes

Change-Id: Ida02536e61f61b8883810866d28bdaad206f645d

@@ -28,11 +28,15 @@ public class DefaultEventSinkRegistryTest {
     private DefaultEventSinkRegistry registry;
 
     private static class FooEvent extends TestEvent {
-        public FooEvent(String subject) { super(Type.FOO, subject); }
+        public FooEvent(String subject) {
+            super(Type.FOO, subject);
+        }
     }
 
     private static class BarEvent extends TestEvent {
-        public BarEvent(String subject) { super(Type.BAR, subject); }
+        public BarEvent(String subject) {
+            super(Type.BAR, subject);
+        }
     }
 
     private static class FooSink implements EventSink<FooEvent> {

@@ -50,7 +50,7 @@ public class MessageDecoder extends ReplayingDecoder<DecoderState> {
             ByteBuf buffer,
             List<Object> out) throws Exception {
 
-        switch(state()) {
+        switch (state()) {
         case READ_HEADER_VERSION:
             int headerVersion = buffer.readInt();
             checkState(headerVersion == MessageEncoder.HEADER_VERSION, "Unexpected header version");