Fix typo: occured -> occurred (#1489366)

Aleksander Machniak

2013-10-04 b3e25974b137c7932fd40ce27237a124f2d4a3bf

1
tinyMCE.addI18n('en.paste_dlg',{"word_title":"Use Ctrl+V on your keyboard to paste the text into the window.","text_linebreaks":"Keep Linebreaks","text_title":"Use Ctrl+V on your keyboard to paste the text into the window."});