Fix language info in HTML export of XLIFF files
Fix language info in HTML export of XLIFF files

Use proper accessor functions to get the language instead of parsing PO
header.

PKRoma/poedit,vslavik/poedit,PKRoma/poedit,PKRoma/poedit,PKRoma/poedit,vslavik/poedit,nawawi/poedit,alexhenrie/poedit,nawawi/poedit,vslavik/poedit,vslavik/poedit,alexhenrie/poedit,nawawi/poedit,nawawi/poedit,alexhenrie/poedit,alexhenrie/poedit,PKRoma/poedit,alexhenrie/poedit,vslavik/poedit,nawawi/poedit