patch 8.1.1561: popup_setoptions() is not implemented yet
Problem: Popup_setoptions() is not implemented yet.
Solution: Implement popup_setoptions(). Also add more fields to
popup_getoptions().
diff --git a/src/proto/popupwin.pro b/src/proto/popupwin.pro
index fefb031..6c5ea46 100644
--- a/src/proto/popupwin.pro
+++ b/src/proto/popupwin.pro
@@ -21,6 +21,7 @@
void popup_close_tabpage(tabpage_T *tp, int id);
void close_all_popups(void);
void f_popup_move(typval_T *argvars, typval_T *rettv);
+void f_popup_setoptions(typval_T *argvars, typval_T *rettv);
void f_popup_getpos(typval_T *argvars, typval_T *rettv);
void f_popup_getoptions(typval_T *argvars, typval_T *rettv);
int error_if_popup_window(void);