add missing Override annotations

Mage.Client/src/main/java/mage/client/util/audio/MusicPlayer.java

@@ -119,6 +119,8 @@ public class MusicPlayer {
 
         }
 
+
+        @Override
         public void run() {
             try {
                 TimeUnit.MILLISECONDS.sleep(100);
@@ -146,6 +148,8 @@ public class MusicPlayer {
 
         final byte[] tempBuffer = new byte[320];
 
+
+        @Override
         public void run() {
             try {
                 sourceDataLine.flush();

Mage.Client/src/main/java/mage/client/util/gui/Arrow.java

@@ -32,6 +32,8 @@ public class Arrow extends JPanel {
         setOpacity(0.6f);
     }
 
+
+    @Override
     protected void paintComponent(Graphics g) {
         super.paintComponent(g);
         float ex = endX - startX;