fixed compiler error for windows specific settings

init.org

@@ -162,10 +162,12 @@ Some windows specific stuff
     (progn
       (setq gc-cons-threshold (* 511 1024 1024)
             gc-cons-percentage 0.5
-            garbage-collection-messages t
-            w32-pipe-read-delay 0
-            w32-get-true-file-attributes nil)
-      (run-with-idle-timer 5 t #'garbage-collect)))
+            garbage-collection-messages t)
+      (run-with-idle-timer 5 t #'garbage-collect))
+    (when (boundp 'w32-pipe-read-delay)
+      (setq w32-pipe-read-delay 0))
+    (when (boundp 'w32-get-true-file-attributes)
+      (setq )w32-get-true-file-attributes nil))
 #+END_SRC
 * visuals
 ** Font