only set _last_jail once

usr/local/share/bastille/pkg.sh

@@ -91,6 +91,7 @@ shift
         
 bastille_root_check
 set_target "${TARGET}"
+_last_jail="$(echo ${JAILS} | awk '{print $NF}')"
 
 errors=0
 
@@ -126,7 +127,6 @@ for _jail in ${JAILS}; do
     fi
 	
 	# Print blank line on last jail
-    _last_jail="$(echo ${JAILS} | awk '{print $NF}')"
     [ "${_jail}" = "${_last_jail}" ] && echo ""
 	
 done