refs: change signatures of get_packed_refs() and get_loose_refs()

diff --git a/tag.h b/tag.h
index 85223700396f5ddb00c046a1a9fdb63c92aae40e..5ee88e6550cafa78b7e4acaa1285d5805974a037 100644 (file)
--- a/tag.h
+++ b/tag.h
@@ -13,7 +13,7 @@ struct tag {
 };
 
 extern struct tag *lookup_tag(const unsigned char *sha1);
-extern int parse_tag_buffer(struct tag *item, void *data, unsigned long size);
+extern int parse_tag_buffer(struct tag *item, const void *data, unsigned long size);
 extern int parse_tag(struct tag *item);
 extern struct object *deref_tag(struct object *, const char *, int);
 extern size_t parse_signature(const char *buf, unsigned long size);