patch 8.1.2407: proto files, dependencies and build instructions outdated
Problem: proto file, dependenciess and Build instructions outdated.
Solution: Update proto files, dependencies and build instructions.
diff --git a/src/proto/popupwin.pro b/src/proto/popupwin.pro
index dafe657..11db362 100644
--- a/src/proto/popupwin.pro
+++ b/src/proto/popupwin.pro
@@ -49,8 +49,8 @@
void may_update_popup_mask(int type);
void update_popups(void (*win_update)(win_T *wp));
int set_ref_in_popups(int copyID);
-win_T *popup_find_preview_window(void);
int popup_is_popup(win_T *wp);
+win_T *popup_find_preview_window(void);
win_T *popup_find_info_window(void);
void f_popup_findinfo(typval_T *argvars, typval_T *rettv);
void f_popup_findpreview(typval_T *argvars, typval_T *rettv);