[__consul_agent] Add LSB header so that innserv doe not fail

cdist/conf/type/__consul_agent/files/consul.sysv-debian

@@ -18,6 +18,16 @@
 # You should have received a copy of the GNU General Public License
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
+### BEGIN INIT INFO
+# Provides:          consul
+# Required-Start:    $network $local_fs $remote_fs
+# Required-Stop:     $local_fs
+# Should-Start:
+# Should-Stop:
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: libvirt management daemon
+### END INIT INFO
 
 if [ -f "/etc/default/consul" ]; then
     . /etc/default/consul