Test for TARGET_API_MAC_CARBON with #if in stead of #ifdef.
diff --git a/Mac/Modules/ctl/ctlscan.py b/Mac/Modules/ctl/ctlscan.py
index dc7d760..9f9b20b 100644
--- a/Mac/Modules/ctl/ctlscan.py
+++ b/Mac/Modules/ctl/ctlscan.py
@@ -81,7 +81,7 @@
 
 	def makegreylist(self):
 		return [
-			('#ifndef TARGET_API_MAC_CARBON', [
+			('#if !TARGET_API_MAC_CARBON', [
 				'GetAuxiliaryControlRecord',
 				'SetControlColor',
 				# These have suddenly disappeared in UH 3.3.2...