buf: fix memory leak.

* buf.c (make_duplicate_buf): A duplicated buf is dynamic,
so the size must not be nil, which indicates a static or
borrowed one. Set the size properly, so finalize will free it.

1 files changed, 1 insertions, 1 deletions

diff --git a/buf.c b/buf.c
index 661514be..88f5f166 100644
--- a/buf.c
+++ b/buf.c
@@ -114,7 +114,7 @@ val make_duplicate_buf(val len, mem_t *data)
   obj->b.type = BUF;
   obj->b.data = chk_copy_obj(data, c_num(len));
   obj->b.len = len;
-  obj->b.size = nil;
+  obj->b.size = len;
 
   return obj;
 }