[libmodbus] Try to fix libtool problem

[Stéphane Raimbault]

commit 3c39d4d98759a3855196ac9359991491cd4e5956
Author: Stéphane Raimbault <stephane.raimbault at gmail.com>
Date:   Thu Aug 11 23:40:42 2011 +0200

    Try to fix libtool problem

 libmodbus.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libmodbus.spec b/libmodbus.spec
index eb6227a..a86110b 100644
--- a/libmodbus.spec
+++ b/libmodbus.spec
@@ -6,7 +6,7 @@ Group: Applications/System
 License: LGPLv2+
 URL: http://www.libmodbus.org/
 Source0: https://github.com/downloads/stephane/libmodbus/libmodbus-%{version}.tar.gz
-BuildRequires: autoconf, automake, xmlto, asciidoc
+BuildRequires: autoconf, automake, libtool, xmlto, asciidoc
 
 %description
 libmodbus is a C library designed to provide a fast and robust implementation of