Fix maven-version variable name

Change-Id: Iaac14ca093420c11bdc9340c1eb1cd7ab62a6662
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jjb/dcaegen2/dcaegen2-services-bbs-eventprocessor-java.yaml b/jjb/dcaegen2/dcaegen2-services-bbs-eventprocessor-java.yaml
index f0b84ac..a3fd2ed 100644
--- a/jjb/dcaegen2/dcaegen2-services-bbs-eventprocessor-java.yaml
+++ b/jjb/dcaegen2/dcaegen2-services-bbs-eventprocessor-java.yaml
@@ -16,7 +16,7 @@
           branch: 'master'
           java-version: openjdk11
     mvn-settings: 'dcaegen2-services-settings'
-    mvn-version: 'mvn35'
+    maven-version: 'mvn35'
     maven-deploy-properties: |
       deployAtEnd=true
     files: '**'