Gambling 911 – “Runner, Runner” star Ben Affleck was so worried over the outcome of the online gambling flick that he brought in his go-to-film editor, Academy Award winner William Goldenberg, to spruce things up. The film still bombed. “Runner, Runner” took in a dismal $7.7 million its first weekend in theatres.  The Brad Furman movie involved a $30 million budget.   Furman is rumored to have lost control of “Runner, Runner” during the filming. By comparison, the Sandra Bullock-George Clooney film “Gravity” took in a whopping $55.6 million in its opening weekend. Affleck and co-star Justin Timberlake each were reportedly…