[DockerImageScanner] Replace parameters

Change-Id: Ibe5fc8a7af60873efbfd5b26067693e28f78cead
Related-PROD: https://mirantis.jira.com/browse/RE-534
diff --git a/src/com/mirantis/mk/DockerImageScanner.groovy b/src/com/mirantis/mk/DockerImageScanner.groovy
index 65ea006..5bbb95c 100644
--- a/src/com/mirantis/mk/DockerImageScanner.groovy
+++ b/src/com/mirantis/mk/DockerImageScanner.groovy
@@ -157,7 +157,7 @@
     return defaultJiraAffectedVersion
 }
 
-def reportJiraTickets(String reportFileContents, String jiraCredentialsID, String jiraUserID, String jiraNamespace = 'PRODX', String productName = '') {
+def reportJiraTickets(String reportFileContents, String jiraCredentialsID, String jiraUserID, String productName = '', String jiraNamespace = 'PRODX') {
 
     def dict = [:]