LOADING ERROR LOADING Meg Ryan, Hollywood’s undisputed romantic comedy queen for much of the 1980s and ’90s, is ready to reclaim her crown this fall. Due out Oct. 13, “What Happens Later” is based on Steven Dietz’s widely-produced 2010 play, “Shooting Star.” The film also marks Ryan’s return to acting after an eight-year hiatus. Perhaps even more significantly, it’s her …