Update the Swedish spelling dictionary

This update mainly consists of improvments to the handling of
compound words, as well as addition of proper nouns.

Change-Id: I8650b328e98b0b2164203b721a2aebe48fd25262
Reviewed-on: https://gerrit.libreoffice.org/10019
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>