Replaced OpenResFile calls with FSpOpenResFile calls (which are carbon-compatible).
diff --git a/Mac/scripts/BuildApplication.py b/Mac/scripts/BuildApplication.py
index dbfe515..6f55eb1 100644
--- a/Mac/scripts/BuildApplication.py
+++ b/Mac/scripts/BuildApplication.py
@@ -38,7 +38,7 @@
 try:
 	Res.GetResource('DITL', DLG_ID)
 except Res.Error:
-	Res.OpenResFile("BuildApplication.rsrc")
+	Res.FSpOpenResFile("BuildApplication.rsrc", 1)
 else:
 	pass # we're an applet