Silence DeprecationWarnings from uses of has_key and <> in plat-mac.
diff --git a/Lib/plat-mac/buildtools.py b/Lib/plat-mac/buildtools.py
index f137411..bbb37ab 100644
--- a/Lib/plat-mac/buildtools.py
+++ b/Lib/plat-mac/buildtools.py
@@ -207,7 +207,7 @@
             'icl8', 'ics4', 'ics8', 'ICN#', 'ics#']
     if not copy_codefragment:
         skiptypes.append('cfrg')
-##  skipowner = (ownertype <> None)
+##  skipowner = (ownertype != None)
 
     # Copy the resources from the template