patch 8.2.2526: build failure

Problem:    Build failure.
Solution:   Change lookup_scriptvar() arguments.

Author: brammool

src/evalvars.c

@@ -2776,7 +2776,6 @@ get_script_local_ht(void)
 lookup_scriptvar(
 	char_u	*name,
 	size_t	len,
-	void	*lvar UNUSED,
 	cctx_T	*dummy UNUSED)
 {
     hashtab_T	*ht = get_script_local_ht();

src/proto/evalvars.pro

@@ -60,7 +60,7 @@ 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);
 hashtab_T *get_script_local_ht(void);
-int lookup_scriptvar(char_u *name, size_t len, void *lvar, cctx_T *dummy);
+int 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);

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2526,
 /**/
     2525,
 /**/