fixing typo in job name from triggers

Change-Id: I518f8496a62b0a42e2e8da37d80cdc556460996f
diff --git a/jjb/xos-integration-tests.yaml b/jjb/xos-integration-tests.yaml
index 931602a..cee3812 100644
--- a/jjb/xos-integration-tests.yaml
+++ b/jjb/xos-integration-tests.yaml
@@ -107,5 +107,5 @@
 
     triggers:
       - reverse:
-          jobs: 'publish_imagebuilder'
+          jobs: 'publish-imagebuilder'
           result: 'success'