Depth chart changes in the secondary
SANTA CLARA — The 49ers just sent out their depth chart for Saturday’s exhibition game against the Houston Texans, and there are some changes in the secondary. Dashon Goldson is officially the starting free safety while Reggie Smith is injured. Madieu Williams is officially second-string. Shawntae Spencer is still the starting right cornerback even though he’s injured. Tarell Brown is his backup, and Tramaine Brock is third-string. Chris Culliver is…