vcl: include variable names in definition of OutputDevice::DrawPolyLine()
vcl: include variable names in definition of OutputDevice::DrawPolyLine()

Change-Id: Ifde547b0e883871a7d30e93adbe868faa74bef71
Reviewed-on: https://gerrit.libreoffice.org/12189
Reviewed-by: Chris Sherlock <bb64a90e8bec9b8859e2657aea79124242934a41@gmail.com>
Tested-by: Chris Sherlock <bb64a90e8bec9b8859e2657aea79124242934a41@gmail.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core