QUOTE(terminus)
Do you have the language files in /usr/share/skype/lang ?
Terminus, princeofnaxos is right.
The dutch lang file is missing... there are only 21 .qm files, but 22 languages offered.
That's all the *.qm files available in the distribution archive:
skype_ver-0_92_0_2/skype_da.qm
skype_ver-0_92_0_2/skype_de.qm
skype_ver-0_92_0_2/skype_el.qm
skype_ver-0_92_0_2/skype_en.qm
skype_ver-0_92_0_2/skype_es.qm
skype_ver-0_92_0_2/skype_es_AR.qm
skype_ver-0_92_0_2/skype_et.qm
skype_ver-0_92_0_2/skype_fi.qm
skype_ver-0_92_0_2/skype_fr.qm
skype_ver-0_92_0_2/skype_it.qm
skype_ver-0_92_0_2/skype_iw.qm
skype_ver-0_92_0_2/skype_ja.qm
skype_ver-0_92_0_2/skype_ko.qm
skype_ver-0_92_0_2/skype_no.qm
skype_ver-0_92_0_2/skype_pl.qm
skype_ver-0_92_0_2/skype_pt_BR.qm
skype_ver-0_92_0_2/skype_ro.qm
skype_ver-0_92_0_2/skype_ru.qm
skype_ver-0_92_0_2/skype_sv.qm
skype_ver-0_92_0_2/skype_zh_CN.qm
skype_ver-0_92_0_2/skype_zh_TW.qm