patch 8.1.0519: cannot save and restore the tag stack

Problem:    Cannot save and restore the tag stack.
Solution:   Add gettagstack() and settagstack(). (Yegappan Lakshmanan,
            closes #3604)
diff --git a/src/proto/dict.pro b/src/proto/dict.pro
index ede4f87..21c8d6d 100644
--- a/src/proto/dict.pro
+++ b/src/proto/dict.pro
@@ -1,5 +1,6 @@
 /* dict.c */
 dict_T *dict_alloc(void);
+dict_T *dict_alloc_id(alloc_id_T id);
 dict_T *dict_alloc_lock(int lock);
 int rettv_dict_alloc(typval_T *rettv);
 void rettv_dict_set(typval_T *rettv, dict_T *d);
diff --git a/src/proto/list.pro b/src/proto/list.pro
index c4fd195..2f0b404 100644
--- a/src/proto/list.pro
+++ b/src/proto/list.pro
@@ -3,6 +3,7 @@
 void list_rem_watch(list_T *l, listwatch_T *lwrem);
 void list_fix_watch(list_T *l, listitem_T *item);
 list_T *list_alloc(void);
+list_T *list_alloc_id(alloc_id_T id);
 int rettv_list_alloc(typval_T *rettv);
 void rettv_list_set(typval_T *rettv, list_T *l);
 void list_unref(list_T *l);
diff --git a/src/proto/misc2.pro b/src/proto/misc2.pro
index 770bd33..b821417 100644
--- a/src/proto/misc2.pro
+++ b/src/proto/misc2.pro
@@ -21,6 +21,7 @@
 int leftcol_changed(void);
 void vim_mem_profile_dump(void);
 char_u *alloc(unsigned size);
+int alloc_does_fail(long_u size);
 char_u *alloc_id(unsigned size, alloc_id_T id);
 char_u *alloc_clear(unsigned size);
 char_u *alloc_check(unsigned size);
diff --git a/src/proto/tag.pro b/src/proto/tag.pro
index 497a76e..c9bcb38 100644
--- a/src/proto/tag.pro
+++ b/src/proto/tag.pro
@@ -9,4 +9,6 @@
 void simplify_filename(char_u *filename);
 int expand_tags(int tagnames, char_u *pat, int *num_file, char_u ***file);
 int get_tags(list_T *list, char_u *pat, char_u *buf_fname);
+void get_tagstack(win_T *wp, dict_T *retdict);
+int set_tagstack(win_T *wp, dict_T *d, int action);
 /* vim: set ft=c : */