Move Code: labels before the beginning of code

From the places where they were inserted by checkdoc.

pw-access.el

@@ -37,10 +37,10 @@
 ;; outside this module, except for using a different communication
 ;; class.
 
-(require 'eieio)
-
 ;;; Code:
 
+(require 'eieio)
+
 (defclass pw-accessor ()
   ()
   :documentation