Xml files from wildfly-core don't end with "new line character"

Description of problem:

• Some of xml files from wildfly-core don't end with "new line character".
• Each xml file should end with "new line character", because of posix standard:
  • http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206
• List of affected files:
  • ./modules/system/layers/base/org/wildfly/security/elytron/main/module.xml
  • ./domain/configuration/host.xml
  • ./domain/configuration/domain.xml
  • ./domain/configuration/host-slave.xml
  • ./domain/configuration/host-master.xml
  • ./standalone/configuration/standalone.xml

How reproducible:
Always

Steps to Reproduce:

1. cd EAP_HOME

2. for xml in `find -type f | grep xml$`; do
   if [ "`cat -E $xml | tail -n 1 |grep -o '.$'`" != "$" ] ; then
   echo $xml
   fi
   done