commit 3acc5a23
CommitDate: Tue Mar 27 13:26:30 2018 +0200

    tdf#69977 improve creation of large charts

changed the loop such that it removed the stop condition for
rStartRow < rEndRow, and

commit aaa3c31b
CommitDate: Tue Sep 11 20:29:04 2018 +0200

    tdf#119305 Chart created from fully selected sheet only
    targets header row

still checks only for a minimum of the original end row and the
last data row, which for an empty (no data) range selected may be
above the start row.

Change-Id: I9de08d09be62e86e7c946df701c49314fa4d682e
Reviewed-on: https://gerrit.libreoffice.org/61389Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins