Implement changes suggested by Gregory Cooper

-reorder requires and cleanup
-remove unneccessary newline.

collects/frtime/animation/graphics-posn-less-unit.rkt

@@ -5,15 +5,13 @@
 
 #lang racket/unit
 
-  (require mred/mred-sig
+(require (for-syntax syntax/parse racket/base)
          racket/class
-     (for-syntax syntax/parse racket/base)
+         mred/mred-sig
          frtime/core/frp
          "graphics-sig.rkt")
 
-  
-  (import (prefix mred: mred^)
-          graphics:posn^)
+(import (prefix mred: mred^) graphics:posn^)
 (export graphics:posn-less^)
 
 (define-syntax (rec stx)