Typedefs starting with `t' in quakeworld

• TargaHeader quakeworld/client/gl_screen.c:617
• team_t quakeworld/client/sbar.c:360
• texinfo_t quakeworld/client/bspfile.h:164
• texture_t quakeworld/client/gl_model.h:90
• track_info quakeworld/client/cd_audio.c:192