This resolves the following build error:

configure: error: You need
pkgconfig installed in order to build resource-agents
make: *** [configure-stamp] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2

Signed-off-by: Simon Horman <horms@verge.net.au>

Index: cluster-agents-1.0.really.1.0.2.rc1/debian/control
===================================================================
--- cluster-agents-1.0.really.1.0.2.rc1.orig/debian/control	2010-02-04 11:04:46.000000000 +0900
+++ cluster-agents-1.0.really.1.0.2.rc1/debian/control	2010-02-04 19:55:15.000000000 +0900
@@ -3,7 +3,7 @@ Section: admin
 Priority: optional
 Maintainer: Debian HA Maintainers <debian-ha-maintainers@lists.alioth.debian.org>
 Uploaders: Martin Loschwitz <madkiss@debian.org>, Anibal Monsalve Salazar <anibal@debian.org>, Simon Horman <horms@debian.org>
-Build-Depends: cluster-glue-dev, libnet1-dev, debhelper (>= 7), autoconf, automake
+Build-Depends: cluster-glue-dev, libnet1-dev, debhelper (>= 7), autoconf, automake, pkg-config
 Standards-Version: 3.8.3
 Homepage: http://hg.linux-ha.org/agents/
 XS-Python-Version: current