# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2015-01-15 00:57:00
# Node ID 6c44cef5baa231dbfa311475f56f60b2dc4a7b4d
# Parent  669106fc5bb1de671f59e432bbc59ca4ccc0e5bc

unpacker: fix missing arg for py2.4

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -236,7 +236,7 @@ def unpacker(fmt):
         return struct.Struct(fmt).unpack
     except AttributeError:
         # 2.4
-        return lambda buf: struct.unpack(fmt)
+        return lambda buf: struct.unpack(fmt, buf)
 
 def popen2(cmd, env=None, newlines=False):
     # Setting bufsize to -1 lets the system decide the buffer size.