patch 8.2.0675: Vim9: no support for closures
Problem: Vim9: no support for closures.
Solution: Do not re-use stack entries.
diff --git a/src/proto/evalvars.pro b/src/proto/evalvars.pro
index e415932..58e9221 100644
--- a/src/proto/evalvars.pro
+++ b/src/proto/evalvars.pro
@@ -55,7 +55,7 @@
void check_vars(char_u *name, int len);
dictitem_T *find_var(char_u *name, hashtab_T **htp, int no_autoload);
dictitem_T *find_var_in_ht(hashtab_T *ht, int htname, char_u *varname, int no_autoload);
-int lookup_scriptvar(char_u *name, size_t len, cctx_T *dummy);
+void *lookup_scriptvar(char_u *name, size_t len, cctx_T *dummy);
hashtab_T *find_var_ht(char_u *name, char_u **varname);
char_u *get_var_value(char_u *name);
void new_script_vars(scid_T id);