The man who accusedChris Brown of assaulting him inside a London nightclub scored a small victory in his $16 million lawsuit. In documents obtained by RadarOnline.com, the judge agreed with the alleged victim, Amadou “Abe” Diaw, that his claims against a tour promoter should not be dismissed. This comes after the tour promoter filed a motion to strike some of Diaw’s allegations, in which he claimed they ignored Brown’s controversial past and fostered an environment where the “violent performer was sure to cause harm.” While the tour promoter said they shouldn’t be on the hook for any alleged a…