[kernel/f18] build require bc

[Dave Jones]

commit 70e5203dd0c65c654aa62bd086ba096f60ae0b0b
Author: Dave Jones <davej at redhat.com>
Date:   Tue May 7 12:26:32 2013 -0400

    build require bc

 kernel.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/kernel.spec b/kernel.spec
index 786ad4e..cfa6879 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -522,7 +522,7 @@ ExclusiveOS: Linux
 BuildRequires: module-init-tools, patch >= 2.5.4, bash >= 2.03, sh-utils, tar
 BuildRequires: bzip2, xz, findutils, gzip, m4, perl, make >= 3.78, diffutils, gawk
 BuildRequires: gcc >= 3.4.2, binutils >= 2.12, redhat-rpm-config, hmaccalc
-BuildRequires: net-tools, hostname
+BuildRequires: net-tools, hostname, bc
 BuildRequires: xmlto, asciidoc
 %if %{with_sparse}
 BuildRequires: sparse >= 0.4.1