patch 8.2.2518: 'listchars' should be window-local
Problem: 'listchars' should be window-local.
Solution: Make 'listchars' global-local. (Yegappan Lakshmanan, Marco Hinz,
closes #5206, closes #7850)
diff --git a/src/proto/screen.pro b/src/proto/screen.pro
index 3f475ec..1ab40df 100644
--- a/src/proto/screen.pro
+++ b/src/proto/screen.pro
@@ -55,5 +55,5 @@
int number_width(win_T *wp);
int screen_screencol(void);
int screen_screenrow(void);
-char *set_chars_option(char_u **varp);
+char *set_chars_option(win_T *wp, char_u **varp);
/* vim: set ft=c : */