fixup??? object-file.c: use size_t for header lengths

Ah, I love the Rename Game.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

object-file.h

@@ -63,7 +63,7 @@ int odb_source_loose_freshen_object(struct odb_source *source,
 				    const struct object_id *oid);
 
 int odb_source_loose_write_object(struct odb_source *source,
-				  const void *buf, unsigned long len,
+				  const void *buf, size_t len,
 				  enum object_type type, struct object_id *oid,
 				  struct object_id *compat_oid_in, unsigned flags);