* tools/dist/backport.pl
  ($PAGER): Don't pass -F to less since it might not work unless -X is also
    specified (as hinted by "less -X"'s documentation).

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1569246 13f79535-47bb-0310-9956-ffa450edef68