compat: Add simplified merge sort implementation from glibc

diff --git a/object-refs.c b/object-refs.c
index 022e8d841c7f5498b6f008647ed37c430826b443..5345671569e9500ad31124dacf9525739687d9be 100644 (file)
--- a/object-refs.c
+++ b/object-refs.c
@@ -85,5 +85,3 @@ void mark_reachable(struct object *obj, unsigned int mask)
                        mark_reachable(refs->ref[i], mask);
        }
 }
-
-