submodule.c: report the submodule that an error occurs in

diff --git a/blob.h b/blob.h
index 59b394eea38494d5dfa525e28ca949e5a03efcf5..446061683101d5578f8de2b8aa43e4b6c51d1d66 100644 (file)
--- a/blob.h
+++ b/blob.h
@@ -9,7 +9,7 @@ struct blob {
        struct object object;
 };
 
-struct blob *lookup_blob(const unsigned char *sha1);
+struct blob *lookup_blob(const struct object_id *oid);
 
 int parse_blob_buffer(struct blob *item, void *buffer, unsigned long size);