 A Pivotal Phase III, Single Center, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Dose-Ranging Study to Investigate the Efficacy and Safety of Single Oral Doses of 10mg, 25mg, 50mg, and 70mg GW406381 and 550mg Naproxen Sodium in Subjects With Pain Following Third Molar Tooth Extraction 