Languages for displaying web pages are not saved in Options

Steps to reproduce:

Launch Tor Browser
Open Tools->Options dialog. Navigate to "Content" tab
In group "Languages" click on "Choose" button
Add some language, for example "French [fr]". Accept all options dialogs with "OK"
Exit Tor Browser and launch it again. French language is missing in Options.

Tested OS: WinXP SP3

Trac:
Username: trlaunch01

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