Minor header-related changes

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3246 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/Menu.h

@@ -171,9 +171,9 @@ virtual void		DrawBackground(BRect update);
 						
 /*----- Private or reserved -----------------------------------------*/
 private:
-friend BWindow;
-friend BMenuBar;
-friend BMenuItem;
+friend class BWindow;
+friend class BMenuBar;
+friend class BMenuItem;
 friend status_t _init_interface_kit_();
 friend status_t	set_menu_info(menu_info *);
 friend status_t	get_menu_info(menu_info *);

headers/os/interface/MenuBar.h

@@ -80,10 +80,10 @@ virtual void			AllDetached();
 virtual status_t		Perform(perform_code d, void *arg);
 
 private:
-friend BWindow;
-friend BMenuItem;
-friend BMenuField;
-friend BMenu;
+friend class BWindow;
+friend class BMenuItem;
+friend class BMenuField;
+friend class BMenu;
 
 virtual	void			_ReservedMenuBar1();
 virtual	void			_ReservedMenuBar2();

headers/os/interface/MenuItem.h

@@ -65,9 +65,9 @@ virtual	void			Highlight(bool on);
 
 /*----- Private or reserved -----------------------------------------*/
 private:
-friend	BMenu;
-friend	BPopUpMenu;
-friend	BMenuBar;
+friend class BMenu;
+friend class BPopUpMenu;
+friend class BMenuBar;
 
 virtual	void		_ReservedMenuItem1();
 virtual	void		_ReservedMenuItem2();

headers/os/interface/Shape.h

@@ -74,9 +74,9 @@ virtual	void			_ReservedShape2();
 virtual	void			_ReservedShape3();
 virtual	void			_ReservedShape4();
 
-		friend			BShapeIterator;
+		friend class	BShapeIterator;
 		friend class	TPicture;
-		friend			BView;
+		friend class	BView;
 		friend class	BFont;
 		void			GetData(int32 *opCount, int32 *ptCount, uint32 **opList, BPoint **ptList);
 		void			SetData(int32 opCount, int32 ptCount, uint32 *opList, BPoint *ptList);