debian: add build dependency to pkg-config
diff --git a/openbsc/debian/control b/openbsc/debian/control
index 5e06200..5b1c4ed 100644
--- a/openbsc/debian/control
+++ b/openbsc/debian/control
@@ -2,7 +2,7 @@
 Section: net
 Priority: optional
 Maintainer: Harald Welte <laforge@gnumonks.org>
-Build-Depends: debhelper (>= 7.0.50~), autotools-dev, libgtp, libosmocore-dev, libosmo-sccp-dev, libdbi0-dev
+Build-Depends: debhelper (>= 7.0.50~), autotools-dev, pkg-config, libgtp, libosmocore-dev, libosmo-sccp-dev, libdbi0-dev
 Standards-Version: 3.8.4
 Homepage: http://openbsc.osmocom.org/
 Vcs-Git: git://bs11-abis.gnumonks.org/openbsc.git