Copy Yosemite tab style files to "Mojave" files before modifying them

Author: ychin

src/MacVim/PSMTabBarControl/source/PSMMojaveTabStyle.h

@@ -0,0 +1,28 @@
+//
+//  PSMMojaveTabStyle.h
+//  PSMTabBarControl
+//
+//  Created by Christoffer Winterkvist on 25/08/14.
+//
+//
+
+#import <Cocoa/Cocoa.h>
+#import "PSMTabStyle.h"
+
+@interface PSMMojaveTabStyle : NSObject <PSMTabStyle> {
+    NSImage *closeButton;
+    NSImage *closeButtonDown;
+    NSImage *closeButtonOver;
+    NSImage *_addTabButtonImage;
+    NSImage *_addTabButtonPressedImage;
+    NSImage *_addTabButtonRolloverImage;
+    NSMutableParagraphStyle *truncatingTailParagraphStyle;
+    NSMutableParagraphStyle *centeredParagraphStyle;
+}
+
+- (void)drawInteriorWithTabCell:(PSMTabBarCell *)cell inView:(NSView*)controlView;
+
+- (void)encodeWithCoder:(NSCoder *)aCoder;
+- (id)initWithCoder:(NSCoder *)aDecoder;
+
+@end