Add dpkg-dev dependency for debian package builds.

Change-Id: I309fa4bd292e5338bc925e8007c8b9aaeeca5b88
diff --git a/src/com/mirantis/mk/Debian.groovy b/src/com/mirantis/mk/Debian.groovy
index 9cc9789..8fec2ca 100644
--- a/src/com/mirantis/mk/Debian.groovy
+++ b/src/com/mirantis/mk/Debian.groovy
@@ -108,7 +108,7 @@
             which eatmydata || (apt-get update && apt-get install -y eatmydata) &&
             export LD_LIBRARY_PATH=\${LD_LIBRARY_PATH:+"\$LD_LIBRARY_PATH:"}/usr/lib/libeatmydata &&
             export LD_PRELOAD=\${LD_PRELOAD:+"\$LD_PRELOAD "}libeatmydata.so &&
-            apt-get update && apt-get install -y build-essential git-buildpackage sudo &&
+            apt-get update && apt-get install -y build-essential git-buildpackage dpkg-dev sudo &&
             groupadd -g ${jenkinsGID} jenkins &&
             useradd -s /bin/bash --uid ${jenkinsUID} --gid ${jenkinsGID} -m jenkins &&
             cd ${dir} &&