Fixing typo in VOLTHA-2.8 scale pipeline

Change-Id: Iab555e3ce7d6c6bb5974dddf690adc65c0dc848f
diff --git a/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy b/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy
index 2b9863c..82fbf27 100644
--- a/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy
@@ -460,6 +460,7 @@
         }
       }
     }
+  }
   post {
     always {
       // collect result, done in the "post" step so it's executed even in the