fix typo in extending __all__ for riscos platform - closes bug 406296
diff --git a/Lib/os.py b/Lib/os.py
index d6ebf4b..367ea72 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -164,7 +164,7 @@
 
     import riscos
     __all__.extend(_get_exports_list(riscos))
-    del ce
+    del riscos
 
 else:
     raise ImportError, 'no os specific module found'