ui/cocoa: openPanelDidEnd returnCode should be NSInteger, not int

The type for openPanelDidEnd's returnCode argument should be NSInteger,
not int. This only matters for the OSX 10.5 code path where we pass
the method directly to an OSX function to call.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Message-id: 1431296361-16981-4-git-send-email-peter.maydell@linaro.org

ui/cocoa.m

@@ -787,7 +787,7 @@ QemuCocoaView *cocoaView;
 {
 }
 - (void)startEmulationWithArgc:(int)argc argv:(char**)argv;
-- (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
+- (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo;
 - (void)doToggleFullScreen:(id)sender;
 - (void)toggleFullScreen:(id)sender;
 - (void)showQEMUDoc:(id)sender;
@@ -890,7 +890,7 @@ QemuCocoaView *cocoaView;
     exit(status);
 }
 
-- (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo
+- (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
 {
     COCOA_DEBUG("QemuCocoaAppController: openPanelDidEnd\n");