arogue5: fix the crash when checking prices in shops. A buffer called curpurch, which stores a description of an item in a trading post which the player might be interested in, was only 15 bytes. It was overflowing into oldrp, a room pointer, leading to segfaults. The size of curpurch has been increased to LINELEN*2, which matches the size of prbuf, which is returned by inv_name and then strcpy()'d to curpurch. As long as nothing overflows prbuf it should be safe now. NOTE that this breaks savefile compatibility.

/* 
 * Networking information -- should not vary among networking machines
 *
 * Advanced Rogue
 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
 * All rights reserved.
 *
 * See the file LICENSE.TXT for full copyright and licensing information.
 */

#define SYSLEN 9
#define LOGLEN 8
#define NUMNET 6
#undef NUMNET
struct network {
    char *system;
    char *rogue;
};
extern struct network Network[];

/* This system's name -- should not be defined if uname() is available */