Add:Core:Make it possible to add more commands to osd buttons

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@1306 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 2 insertions, 1 deletions

diff --git a/navit/callback.h b/navit/callback.h
index e816a78f2..93e0696bd 100644
--- a/navit/callback.h
+++ b/navit/callback.h
@@ -31,8 +31,9 @@ enum attr_type;
 struct callback;
 struct callback_list;
 struct callback_list *callback_list_new(void);
-struct callback * callback_new_attr(void (*func)(void), enum attr_type type, int pcount, void **p);
+struct callback *callback_new_attr(void (*func)(void), enum attr_type type, int pcount, void **p);
 struct callback *callback_new(void (*func)(void), int pcount, void **p);
+void callback_destroy(struct callback *cb);
 void callback_set_arg(struct callback *cb, int arg, void *p);
 void callback_list_add(struct callback_list *l, struct callback *cb);
 struct callback *callback_list_add_new(struct callback_list *l, void (*func)(void), int pcount, void **p);