Typedefs starting with `a' in quakeworld

• adivtab_t quakeworld/client/d_polyse.c:99
• aedge_t quakeworld/client/r_alias.c:61
• affinetridesc_t quakeworld/client/d_iface.h:84
• alight_t quakeworld/client/r_local.h:40
• auxvert_t quakeworld/client/r_local.h:53