Exclude target subdir from source for infra pubs

* infra-publications.yaml: Address the "cannot move _out to a
subdirectory of itself" error which prematurely terminates the
infra-publications-publish job.

Change-Id: I091f5e9f6efe3e32295cc139c2db2b5e58c8924c

modules/openstack_project/files/jenkins_job_builder/config/infra-publications.yaml

@@ -11,7 +11,11 @@
           # NAME will either be the branch name or the tag name
           NAME=`echo $ZUUL_REFNAME | sed 's/refs.tags.//'`
           mkdir -p _out/$NAME
-          mv * _out/$NAME
+          for FN in * ; do
+              if [ "_out" != "$FN" ] ; then
+                  mv $FN _out/$NAME/
+              fi
+          done
 
     publishers:
       - ftp: