Fix typo: occured -> occurred (#1489366)

Aleksander Machniak

2013-10-04 57b44d2339c4ab0ca07ca2f3884445e5523aa2bb

1
tinyMCE.addI18n('ro.advhr_dlg',{size:"\u00cen\u0103l\u021bime",noshade:"F\u0103r\u0103 umbre",width:"L\u0103\u021bime",normal:"Normal",widthunits:"Unit\u0103\u021bi"});