fdo#38884 Fix setting X position with dbgutil enabled

When the dbgutil switch is set, the code is not inline
but in the cxx-file.

Change-Id: I5a6aeb3c28c4567cfc97baccfb4872b056db609b
Reviewed-on: https://gerrit.libreoffice.org/11717
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>