make all files terminate with a newline

svn: r8786

original commit: bb34f747b60bb4b06e0c2098e9c591677fb49d57

collects/mzlib/class.ss

@@ -1,3 +1,3 @@
 (module class mzscheme
   (require scheme/private/class-internal)
-  (provide-public-names))
+  (provide-public-names))

collects/mzlib/private/contract-arr-obj-helpers.ss

@@ -1109,4 +1109,4 @@
             (cond
               [(zero? i) null]
               [else (cons (- n i)
-                          (loop (- i 1)))])))))
+                          (loop (- i 1)))])))))

collects/mzlib/private/structure-helper.ss

@@ -50,4 +50,4 @@
         (raise-syntax-error 'open-as "Unknown field" field))
       (make-rename-transformer (cdr hid))))
   
-  )
+  )

collects/mzlib/serialize.ss

@@ -395,4 +395,4 @@
 	 (main stx))
        (lambda (stx)
 	 (context-check stx)
-	 (main/versions stx))))))
+	 (main/versions stx))))))