patch 8.1.1548: popup_dialog() is not implemented
Problem: Popup_dialog() is not implemented.
Solution: Implement popup_dialog() and popup_filter_yesno().
diff --git a/src/proto/popupwin.pro b/src/proto/popupwin.pro
index cde0cae..6e93791 100644
--- a/src/proto/popupwin.pro
+++ b/src/proto/popupwin.pro
@@ -8,6 +8,8 @@
void f_popup_clear(typval_T *argvars, typval_T *rettv);
void f_popup_create(typval_T *argvars, typval_T *rettv);
void f_popup_atcursor(typval_T *argvars, typval_T *rettv);
+void f_popup_filter_yesno(typval_T *argvars, typval_T *rettv);
+void f_popup_dialog(typval_T *argvars, typval_T *rettv);
void f_popup_notification(typval_T *argvars, typval_T *rettv);
void f_popup_close(typval_T *argvars, typval_T *rettv);
void f_popup_hide(typval_T *argvars, typval_T *rettv);