Adapt to new JDK name in Jenkins
diff --git a/Jenkinsfile b/Jenkinsfile
index d4dcc41..1121eb0 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -40,7 +40,7 @@
 
     tools {
         maven 'maven_3_latest'
-        jdk 'JDK 1.8 (latest)'
+        jdk 'jdk_1.8_latest'
     }
 
     options {