fix Varnish compatibility when characters such as * are in use for a boardname
fix Varnish compatibility when characters such as * are in use for a boardname

kimoi/Tinyboard,kimoi/Tinyboard,kimoi/Tinyboard,kimoi/Tinyboard,savetheinternet/Tinyboard,savetheinternet/Tinyboard,savetheinternet/Tinyboard