Fix #messageheader for case when the message has no subject

Aleksander Machniak

2012-09-16 f158dc3e8f2b77cfe83f0b3cc75c19d04208ea4c

1
tinyMCE.addI18n('nn.simple',{"cleanup_desc":"Rens grisete kode","redo_desc":"Gjer om","undo_desc":"Angre","numlist_desc":"Nummerliste","bullist_desc":"Punktliste","striketrough_desc":"Gjennomstreking","underline_desc":"Understreking","italic_desc":"Kursiv","bold_desc":"Feit"});