update

src/slic3r/GUI/InstanceCheckMac.h

@@ -0,0 +1,10 @@
+#import <Cocoa/Cocoa.h>
+
+@interface OtherInstanceMessageHandlerMac : NSObject
+
+-(instancetype) init;
+-(void) add_observer:(NSString *)version;
+-(void) message_update:(NSNotification *)note;
+-(void) closing_update:(NSNotification *)note;
+-(void) bring_forward;
+@end