Duh, it helps if '_nt_quote_args()' actually returns the mutated list,
rather than None.
diff --git a/Lib/distutils/spawn.py b/Lib/distutils/spawn.py
index 4e6f206..86ea3df 100644
--- a/Lib/distutils/spawn.py
+++ b/Lib/distutils/spawn.py
@@ -55,7 +55,7 @@
     for i in range (len (args)):
         if string.find (args[i], ' ') != -1:
             args[i] = '"%s"' % args[i]
-    return 
+    return args
 
 def _spawn_nt (cmd,
                search_path=1,