(svn r5624) Use {IsPlainRailTile,IsRailDepot,IsRailWaypoint,HasSignals}() instead of GetRailTile{T,Subt}ype() - this is more concise and a bit more flexible if/when the rail tile encoding changes

/* $Id$ */

#ifndef NAMEGEN_H
#define NAMEGEN_H

typedef byte TownNameGenerator(char *buf, uint32 seed);

extern TownNameGenerator * const _town_name_generators[];

#endif /* NAMEGEN_H */