Fix build issues on OSX 10.6 (issue 6802)
diff --git a/Lib/plat-mac/aepack.py b/Lib/plat-mac/aepack.py
index 3b31b04..6021283 100644
--- a/Lib/plat-mac/aepack.py
+++ b/Lib/plat-mac/aepack.py
@@ -58,7 +58,11 @@
 # Some python types we need in the packer:
 #
 AEDescType = AE.AEDescType
-FSSType = Carbon.File.FSSpecType
+try:
+    FSSType = Carbon.File.FSSpecType
+except AttributeError:
+    class FSSType:
+        pass
 FSRefType = Carbon.File.FSRefType
 AliasType = Carbon.File.AliasType