[tcpcopy/el6] Add missing BR.

[Christopher Meng]

commit 8628effa798907e4c5dd61d4f9adb337a30c4f32
Author: Christopher Meng <rpm at cicku.me>
Date:   Tue Oct 22 20:21:30 2013 +0800

    Add missing BR.

 tcpcopy.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tcpcopy.spec b/tcpcopy.spec
index 8b6327e..fd87786 100644
--- a/tcpcopy.spec
+++ b/tcpcopy.spec
@@ -5,6 +5,7 @@ Summary:        An online request replication tool
 License:        BSD
 URL:            https://github.com/wangbin579/tcpcopy
 Source0:        https://tcpcopy.googlecode.com/files/%{name}-%{version}.tar.gz
+BuildRequires:  autoconf
 Requires:       iptables
 
 %description