Fix formatting in some of test data files.

Adapted from https://github.com/develar/kotlin/commit/a9e0a42fb1347fa8e21c86b5a073ef8a7c873da0.

js/js.translator/testFiles/examples/cases/closureWithParameterAndBoxing.jet

@@ -1,7 +1,7 @@
-fun box() : String {
-    return if (apply( 5, {(arg: Int) -> arg + 13 } ) == 18) "OK" else "fail"
+fun box(): String {
+    return if (apply(5) {(arg: Int) -> arg + 13 } == 18) "OK" else "fail"
 }
 
-fun apply(arg : Int, f :  (p:Int) -> Int) : Int {
+fun apply(arg: Int, f: (p: Int) -> Int): Int {
     return f(arg)
 }

js/js.translator/testFiles/examples/cases/doubleEnclosedLocalVariable.jet

@@ -1,8 +1,8 @@
-fun box() : String {
+fun box(): String {
     val cl = 39
-    return if (sum(200, { val ff = {cl}; ff() }) == 239) "OK" else "FAIL"
+    return if (sum(200, {val ff = {cl}; ff()}) == 239) "OK" else "FAIL"
 }
 
-fun sum(arg:Int, f :  () -> Int) : Int {
+fun sum(arg: Int, f: ()->Int): Int {
     return arg + f()
-}
+}

js/js.translator/testFiles/examples/cases/extensionClosure.jet

@@ -1,13 +1,13 @@
-class Point(val x : Int, val y : Int)
+class Point(val x: Int, val y: Int)
 
-fun box() : String {
-    val answer = apply(Point(3, 5), { Point.(scalar : Int) : Point ->
+fun box(): String {
+    val answer = apply(Point(3, 5), { Point.(scalar: Int) : Point ->
         Point(x * scalar, y * scalar)
     })
 
     return if (answer.x == 6 && answer.y == 10) "OK" else "FAIL"
 }
 
-fun apply(arg:Point, f :  Point.(scalar : Int) -> Point) : Point {
+fun apply(arg: Point, f: Point.(scalar: Int) -> Point): Point {
     return arg.f(2)
 }