Ensure 'module removed' warning messages contain the word 'module' or 'package'.

This should fix the test_py3kwarn failure on OS X.  test_support.import_module
also requires this.
diff --git a/Lib/plat-mac/appletrunner.py b/Lib/plat-mac/appletrunner.py
index a2373aa..cdfd417 100755
--- a/Lib/plat-mac/appletrunner.py
+++ b/Lib/plat-mac/appletrunner.py
@@ -4,7 +4,7 @@
 # we are not running in a framework build.
 
 from warnings import warnpy3k
-warnpy3k("In 3.x, appletrunner is removed.", stacklevel=2)
+warnpy3k("In 3.x, the appletrunner module is removed.", stacklevel=2)
 
 import os
 import sys