entry.c: Use const qualifier for 'struct checkout' parameters

diff --git a/cache.h b/cache.h
index f05b67ad45630986a610cb86f4bfeb4bd535bad1..38a0cbd580a8497b18881548f7995bcfe97666af 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -409,7 +409,7 @@ struct checkout {
                 refresh_cache:1;
 };
 
-extern int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath);
+extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath);
 
 extern struct alternate_object_database {
        struct alternate_object_database *next;