fixed eol and typecast

Structural/Flyweight/FlyweightInterface.php

@@ -5,8 +5,7 @@ namespace DesignPatterns\Structural\Flyweight;
 /**
  * An interface through which flyweights can receive and act on extrinsic state
  */
-interface FlyweightInterface {
-
-	public function draw($extrinsicState);
-
-}
+interface FlyweightInterface
+{
+    public function draw($extrinsicState);
+}