Build fix for Leopard and older
--- modules/highgui/src/window_cocoa.mm.orig	2014-10-01 02:33:36.000000000 -0500
+++ modules/highgui/src/window_cocoa.mm	2014-11-13 23:27:53.000000000 -0600
@@ -145,7 +145,7 @@
     application = [NSApplication sharedApplication];
     windows = [[NSMutableDictionary alloc] init];
 
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 
 #ifndef NSAppKitVersionNumber10_5
 #define NSAppKitVersionNumber10_5 949