Fix compile

Essentials/src/com/earth2me/essentials/OfflinePlayer.java

@@ -1212,6 +1212,16 @@ public class OfflinePlayer implements Player {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
+    @Override
+    public void stopSound(Sound sound) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void stopSound(String s) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
     @Override
     public boolean isHealthScaled() {
         throw new UnsupportedOperationException("Not supported yet.");