Fixing Jenkinsfile

Change-Id: Ie05d3d26b9dcfd905407a52d305393ecbbd96f9f
diff --git a/Jenkinsfile b/Jenkinsfile
index cadc328..18527a3 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -37,7 +37,7 @@
        }
        dir('build/platform-install') {
             stage 'Build Mock R-CORD Config'
-            sh `ansible-playbook -i inventory/mock-rcord deploy-xos-playbook.yml`
+            sh 'ansible-playbook -i inventory/mock-rcord deploy-xos-playbook.yml'
        }
        dir('orchestration/xos-gui') {
             try {