tests: use 'test_must_be_empty' instead of 'test ! -s'

diff --git a/streaming.h b/streaming.h
index 73c1d156b352898c9b5661a3e480f579b80c5a00..32f46267710b4e88cd0fc90e1a5a6f6388361c61 100644 (file)
--- a/streaming.h
+++ b/streaming.h
@@ -8,7 +8,7 @@
 /* opaque */
 struct git_istream;
 
-extern struct git_istream *open_istream(const unsigned char *, enum object_type *, unsigned long *, struct stream_filter *);
+extern struct git_istream *open_istream(const struct object_id *, enum object_type *, unsigned long *, struct stream_filter *);
 extern int close_istream(struct git_istream *);
 extern ssize_t read_istream(struct git_istream *, void *, size_t);