Defines starting with `n' in quakeworld/server

• nd_children quakeworld/server/asm_i386.h:59
• nd_firstface quakeworld/server/asm_i386.h:62
• nd_maxs quakeworld/server/asm_i386.h:61
• nd_mins quakeworld/server/asm_i386.h:60
• nd_numfaces quakeworld/server/asm_i386.h:63
• nd_planenum quakeworld/server/asm_i386.h:58
• nd_size quakeworld/server/asm_i386.h:64
• num quakeworld/server/worlda.s:23
• NUM_SPAWN_PARMS quakeworld/server/server.h:94