Fix formatting in some of test data files.

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

js/js.translator/testFiles/expression/function/cases/loopClosure.kt

@@ -2,16 +2,16 @@ package foo
 
 var b = 0
 
-fun loop(var times : Int) {
-   while(times > 0) {
-        val u = {(value : Int) ->
+fun loop(var times: Int) {
+    while (times > 0) {
+        val u = {(value: Int) ->
             b = b + 1
         }
         u(times--)
-   }
+    }
 }
 
-fun box() : Boolean {
+fun box(): Boolean {
     loop(5)
     return b == 5
 }