Merge pull request #171 from ken0nek/master

Add whitespaces.

Author: nadavrot

stdlib/public/SDK/AppKit/AppKit.swift

@@ -50,7 +50,7 @@ struct _NSViewMirror : _MirrorType {
 
   var _v : NSView
 
-  init(_ v : NSView) {_v = v}
+  init(_ v : NSView) { _v = v }
 
   var value: Any { get { return _v } }