Fix typo: occured -> occurred (#1489366)

Aleksander Machniak

2013-10-04 57b44d2339c4ab0ca07ca2f3884445e5523aa2bb

1
tinyMCE.addI18n('nb.advhr_dlg',{size:"St\u00f8rrelse",noshade:"Ingen skygge",width:"Bredde",normal:"Normal",widthunits:"Enheter"});