install latest version of lxd

Change-Id: I50bfb895a2e5ee92f51f90c2604a0bff075fbd06
Signed-off-by: Mike Marchetti <mmarchetti@sandvine.com>
diff --git a/jenkins/system/start_build b/jenkins/system/start_build
index 1591739..823e160 100755
--- a/jenkins/system/start_build
+++ b/jenkins/system/start_build
@@ -23,6 +23,7 @@
 
 INFO "Installing packages"
 apt-get update
+apt install -y lxd
 
 INFO "Configuring LXD"
 # ZFS doesn't work inside a nested container. ZFS should be configured in the host LXD.