Avoid unused local variables

Aleksander Machniak

2013-05-07 2193f6a1301edcb62de6f0cf338acccdbf5ec2f1

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<?php
 
// Help content iframe source
// $rcmail_config['help_source'] = 'http://trac.roundcube.net/wiki';
$rcmail_config['help_source'] = '';