read-cache.c: remove implicit dependency on the_index

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

read-cache.c

@@ -823,7 +823,7 @@ struct cache_entry *make_cache_entry(struct index_state *istate,
 	ce->ce_namelen = len;
 	ce->ce_mode = create_ce_mode(mode);
 
-	ret = refresh_cache_entry(&the_index, ce, refresh_options);
+	ret = refresh_cache_entry(istate, ce, refresh_options);
 	if (ret != ce)
 		discard_cache_entry(ce);
 	return ret;
@@ -1493,7 +1493,7 @@ int refresh_index(struct index_state *istate, unsigned int flags,
 		if (ignore_submodules && S_ISGITLINK(ce->ce_mode))
 			continue;
 
-		if (pathspec && !ce_path_match(&the_index, ce, pathspec, seen))
+		if (pathspec && !ce_path_match(istate, ce, pathspec, seen))
 			filtered = 1;
 
 		if (ce_stage(ce)) {