Astin surrendered in Atlanta Monday after being charged with improperly dispensing painkillers and other drugs, his lawyer said.According to a seven-count indictment, Astin dispensed drugs including Percocet, Xanax, Lorcet and Vicoprofen between April 2004 and September 2005 to recipients identified by the initials O.G. and M.J., the Associated Press reports.The initials of WWE star Benoit were no