fallback to the old install dirname if ooodownloadfilename is not defined
fallback to the old install dirname if ooodownloadfilename is not defined

the check for versioned install dir (fdo#30837) broke creation of
languagepack on Windows and MAC; it is because ooodownloadfilename
was defined only for linux; we still need lang-specific directory
for other archs

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