fdo#57950: Remove some chained appends in i18nlangtag
fdo#57950: Remove some chained appends in i18nlangtag

Change-Id: I1b91f139575a86b19d7a0613d1f563d215b41b9d
Reviewed-on: https://gerrit.libreoffice.org/5601
Reviewed-by: Eike Rathke <ca97d066ec547ed7b5f176c01ed86da55dede03e@redhat.com>
Tested-by: Eike Rathke <ca97d066ec547ed7b5f176c01ed86da55dede03e@redhat.com>

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