patch 8.0.1394: cannot intercept a yank command

Problem:    Cannot intercept a yank command.
Solution:   Add the TextYankPost autocommand event. (Philippe Vaucher et al.,
            closes #2333)
diff --git a/src/proto/dict.pro b/src/proto/dict.pro
index 2a76263..9db43b9 100644
--- a/src/proto/dict.pro
+++ b/src/proto/dict.pro
@@ -1,7 +1,9 @@
 /* dict.c */
 dict_T *dict_alloc(void);
+dict_T *dict_alloc_lock(int lock);
 int rettv_dict_alloc(typval_T *rettv);
 void rettv_dict_set(typval_T *rettv, dict_T *d);
+void dict_free_contents(dict_T *d);
 void dict_unref(dict_T *d);
 int dict_free_nonref(int copyID);
 void dict_free_items(int copyID);
@@ -23,4 +25,5 @@
 dictitem_T *dict_lookup(hashitem_T *hi);
 int dict_equal(dict_T *d1, dict_T *d2, int ic, int recursive);
 void dict_list(typval_T *argvars, typval_T *rettv, int what);
+void dict_set_items_ro(dict_T *di);
 /* vim: set ft=c : */