patch 8.1.1919: using window options when passing a buffer to popup_create()

Problem:    Using current window option values when passing a buffer to
            popup_create().
Solution:   Clear the window-local options. (closes #4857)
diff --git a/src/proto/option.pro b/src/proto/option.pro
index 9712f86..3350a1f 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -2,7 +2,7 @@
 void set_init_1(int clean_arg);
 void set_string_default(char *name, char_u *val);
 void set_number_default(char *name, long val);
-void set_local_options_default(win_T *wp);
+void set_local_options_default(win_T *wp, int do_buffer);
 void free_all_options(void);
 void set_init_2(void);
 void set_init_3(void);