try to fix xmlbeans jenkins job

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1842629 13f79535-47bb-0310-9956-ffa450edef68

jenkins/create_jobs.groovy

@@ -483,7 +483,7 @@ xmlbeansjobs.each { xjob ->
             scm(trigger)
         }
 
-        def shellcmds = (xjob.windows ? shellCmdsWin : shellCmdsUnix).replace('JOBSHELL', xjob.shell ?: '')
+        def shellcmds = (xjob.windows ? shellCmdsWin : shellCmdsUnix).replace('POIJOBSHELL', xjob.shell ?: '')
 
         // Create steps and publishers depending on the type of Job that is selected
         steps {