Fixed some lines indented with 4 spaces rather than tabs

src/pocketmine/level/sound/GenericSound.php

@@ -25,25 +25,25 @@ use pocketmine\math\Vector3;
 use pocketmine\network\protocol\LevelEventPacket;
 
 class GenericSound extends Sound{
-	
+
 	public function __construct(Vector3 $pos, $id, $pitch = 0){
 		parent::__construct($pos->x, $pos->y, $pos->z);
 		$this->id = (int) $id;
 		$this->pitch = (float) $pitch * 1000;
 	}
-	
+
 	protected $pitch = 0;
 	protected $id;
-	
+
 	public function getPitch(){
 		return $this->pitch / 1000;
 	}
-	
+
 	public function setPitch($pitch){
 		$this->pitch = (float) $pitch * 1000;
 	}
-	
-	
+
+
 	public function encode(){
 		$pk = new LevelEventPacket;
 		$pk->evid = $this->id;
@@ -51,7 +51,7 @@ class GenericSound extends Sound{
 		$pk->y = $this->y;
 		$pk->z = $this->z;
 		$pk->data = (int) $this->pitch;
-		
+
 		return $pk;
 	}
 

src/pocketmine/level/sound/Sound.php

@@ -25,7 +25,7 @@ use pocketmine\math\Vector3;
 use pocketmine\network\protocol\DataPacket;
 
 abstract class Sound extends Vector3{
-	
+
 	/**
 	 * @return DataPacket|DataPacket[]
 	 */