2013-03-21: add a newline at the end of the example file.

add a newline at the end of the example file.

diff --git a/example.w b/example.w
--- a/example.w
+++ b/example.w
@@ -23,4 +23,4 @@ do not break me!"
 defun b (n o)
   . "second defun, with a docstring!"
   message "I am here"
-  . t
\ No newline at end of file
+  . t