fix git_otype typo when calling `git_odb_read_header`.
diff --git a/src/odb.c b/src/odb.c
index e9e495e..3dca977 100644
--- a/src/odb.c
+++ b/src/odb.c
@@ -444,7 +444,7 @@ int git_odb_read_header(size_t *len_p, git_otype *type_p, git_odb *db, const git
return error;
*len_p = object->raw.len;
- *type_p = object->raw.len;
+ *type_p = object->raw.type;
git_odb_object_close(object);
}