[ruby-racc] add missing BR

[Mamoru Tasaka]

commit 09984123f4f25ce3adaf9b443f30f7d8a5e873d6
Author: TASAKA Mamoru <mtasaka at localhost.localdomain>
Date:   Tue Jan 24 18:12:54 2012 +0900

    add missing BR

 ruby-racc.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/ruby-racc.spec b/ruby-racc.spec
index 3525987..e4f1940 100644
--- a/ruby-racc.spec
+++ b/ruby-racc.spec
@@ -13,6 +13,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires: ruby(abi) = 1.9.1
 BuildRequires: ruby
 BuildRequires: ruby(abi) = 1.9.1
+BuildRequires: ruby-devel
 Provides: ruby(racc) = 1.4.5
 BuildArch: noarch