--- previous/src/gui-osx/Shared.h	2018/04/24 19:25:10	1.1
+++ previous/src/gui-osx/Shared.h	2018/04/24 19:27:43	1.1.1.3
@@ -8,7 +8,8 @@
 #import <Cocoa/Cocoa.h>
 
 // Wrapper to run an NSWindow modally
-@interface ModalWrapper : NSObject
+@protocol NSWindowDelegate; // added for Xcode 3.x
+@interface ModalWrapper : NSWindowController <NSWindowDelegate>
 {
     IBOutlet NSWindow *modalWindow;
 }