Add missing export.

* Added missing export for contrail compute state.

Change-Id: Icabcc27076b37889fa0eb3b0b8251203384aaf7f
diff --git a/src/com/mirantis/mk/Orchestrate.groovy b/src/com/mirantis/mk/Orchestrate.groovy
index f6f7ad4..36350d8 100644
--- a/src/com/mirantis/mk/Orchestrate.groovy
+++ b/src/com/mirantis/mk/Orchestrate.groovy
@@ -354,6 +354,7 @@
 
 def installContrailCompute(master) {
     def salt = new com.mirantis.mk.Salt()
+    def common = new com.mirantis.mk.Common()
     // Configure compute nodes
     // Provision opencontrail control services
     salt.enforceState(master, 'I@opencontrail:database:id:1', 'opencontrail.client', true)