extern int cgit_refs_cb(const char *refname, const struct object_id *oid,
int flags, void *cb_data);
-extern void *cgit_free_commitinfo(struct commitinfo *info);
+extern void cgit_free_commitinfo(struct commitinfo *info);
void cgit_diff_tree_cb(struct diff_queue_struct *q,
struct diff_options *options, void *data);