patch 8.2.0746: popup_clear() hangs when a popup can't be closed
Problem: popup_clear() hangs when a popup can't be closed.
Solution: Bail out when a popup can't be closed.
diff --git a/src/proto/popupwin.pro b/src/proto/popupwin.pro
index 96b21b6..0147e68 100644
--- a/src/proto/popupwin.pro
+++ b/src/proto/popupwin.pro
@@ -34,8 +34,8 @@
void f_popup_show(typval_T *argvars, typval_T *rettv);
void f_popup_settext(typval_T *argvars, typval_T *rettv);
int error_if_popup_window(int also_with_term);
-void popup_close(int id);
-void popup_close_tabpage(tabpage_T *tp, int id);
+int popup_close(int id);
+int 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);