Test for TARGET_API_MAC_CARBON with #if in stead of #ifdef.
diff --git a/Mac/Modules/dlg/dlgscan.py b/Mac/Modules/dlg/dlgscan.py
index a9d6fc4..e49dbdd 100644
--- a/Mac/Modules/dlg/dlgscan.py
+++ b/Mac/Modules/dlg/dlgscan.py
@@ -57,7 +57,7 @@
 
 	def makegreylist(self):
 		return [
-			('#ifndef TARGET_API_MAC_CARBON', [
+			('#if !TARGET_API_MAC_CARBON', [
 				'SetGrafPortOfDialog',
 			])]