refs.c: refactor get_submodule_ref_store(), share common free block

diff --git a/commit.h b/commit.h
index f3805fec6b3a5853316d1476619adc5410224a7e..1283d2a51fdab6d63c75bcdf62adfef3bd2564ba 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -249,7 +249,7 @@ typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
 
 struct commit_graft *read_graft_line(char *buf, int len);
 int register_commit_graft(struct commit_graft *, int);
-struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
+struct commit_graft *lookup_commit_graft(const struct object_id *oid);
 
 extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2);
 extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos);