update

src/slic3r/GUI/RemovableDriveManagerMM.h

@@ -0,0 +1,10 @@
+#import <Cocoa/Cocoa.h>
+
+@interface RemovableDriveManagerMM : NSObject
+
+-(instancetype) init;
+-(void) add_unmount_observer;
+-(void) on_device_unmount: (NSNotification*) notification;
+-(NSArray*) list_dev;
+-(void)eject_drive:(NSString *)path;
+@end