Finished update to universal header 3.4.2.
diff --git a/Lib/plat-mac/Carbon/QuickDraw.py b/Lib/plat-mac/Carbon/QuickDraw.py
index 38d8451..9209a35 100644
--- a/Lib/plat-mac/Carbon/QuickDraw.py
+++ b/Lib/plat-mac/Carbon/QuickDraw.py
@@ -70,6 +70,7 @@
 directType = 2
 gdDevType = 0     
 interlacedDevice = 2
+hwMirroredDevice = 4
 roundedDevice = 5
 hasAuxMenuBar = 6
 burstDevice = 7