Fix possible warning when advances_prefs setting is not an array

Aleksander Machniak

2014-01-02 ee43f097241253b8afbbb075d335d5039ae8a98c

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.panel_wrapper {height:85px;} 
.panel_wrapper div.current {height:85px;} 
 
/* IE */ 
* html .panel_wrapper {height:100px;} 
* html .panel_wrapper div.current {height:100px;}