more minor neatening

Author: mattneub

bk2ch09p476popovers/ch22p751popovers/MyPopoverBackgroundView.swift

@@ -10,8 +10,8 @@ class MyPopoverBackgroundView : UIPopoverBackgroundView {
     var arrOff : CGFloat
     var arrDir : UIPopoverArrowDirection
 
-    static var ARBASE : CGFloat {return 20}
-    static var ARHEIGHT : CGFloat {return 20}
+    static let ARBASE : CGFloat = 20
+    static let ARHEIGHT : CGFloat = 20
 
     override class func wantsDefaultContentAppearance() -> Bool {
         return true // try false to see if you can find a difference...