As searchers slogged through the cold and snow searching for him, a snowboarder reported missing by his brother was spending the night at a Stateline hotel.Douglas County rescuers began searching for Gardnerville resident Corey Hoffman, 24, at 8:30 p.m. Wednesday after he became separated from his brother while snowboarding at Heavenly Ski Resort.Undersheriff Paul Howell said searchers received a phone call from Hoffman's father 9 a.m. Thursday saying that he'd heard from the missing man.Deputies interviewed Hoffman at the Stagecoach Lodge on Thursday morning and discovered that he didn't know his brother believed him to be missing."Corey reports he and …