[sysusage] Add missing hostname BR.

[Christopher Meng]

commit b514da7c218a4c31cff6e605d316a091e33b77eb
Author: Christopher Meng <rpm at cicku.me>
Date:   Tue Aug 6 12:24:34 2013 +0800

    Add missing hostname BR.

 sysusage.spec |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/sysusage.spec b/sysusage.spec
index 0c10935..37893a3 100644
--- a/sysusage.spec
+++ b/sysusage.spec
@@ -10,7 +10,8 @@ Source0:        http://downloads.sourceforge.net/project/%{name}/%{name}/%{versi
 Source1:        %{name}-httpd.conf
 Source2:        %{name}.cron
 BuildRequires:  perl(ExtUtils::MakeMaker)
-# Need it during building to determine the path of sar.
+# Need them during building to determine the path.
+BuildRequires:  hohstname
 BuildRequires:  sysstat
 Requires:       crontabs
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))