Fix user creation by master state

Change-Id: Ic1a2708d2060ac4351d901f5d1594f0dd0016f6f
diff --git a/jenkins/files/config.xml.user b/jenkins/files/config.xml.user
index 67c09b9..59a18a2 100644
--- a/jenkins/files/config.xml.user
+++ b/jenkins/files/config.xml.user
@@ -1,7 +1,7 @@
 {%- set user = pillar.jenkins.master.user.get(user_name) -%}
 <?xml version='1.0' encoding='UTF-8'?>
 <user>
-  <fullName>admin</fullName>
+  <fullName>{{ user_name }}</fullName>
   <properties>
     <hudson.model.PaneStatusProperties>
       <collapsed/>