[Freeciv-Dev] (PR#6500) server crash in kill_dying_players

["Jason Short" <jdorje@xxxxxxxxxxxxxxxxxxxxx>]

I started a game with aifill 5 and one human player.

Before the nation selection dialog even activated, there was a server 
segfault.

#0  0x0808028f in map_change_seen (x=0, y=0, pplayer=0x82028c8, change=1)
     at maphand.c:814
814       map_get_player_tile(x, y, pplayer)->seen += change;
(gdb) bt
#0  0x0808028f in map_change_seen (x=0, y=0, pplayer=0x82028c8, change=1)
     at maphand.c:814
#1  0x0807fa91 in shared_vision_change_seen (x=0, y=0, pplayer=0x0, 
change=1)
     at maphand.c:648
#2  0x0807f595 in unfog_area (pplayer=0x82028c8, x=0, y=0, len=0)
     at maphand.c:535
#3  0x0808050b in map_know_and_see_all (pplayer=0x82028c8) at maphand.c:873
#4  0x08082f2e in kill_player (pplayer=0x82028c8) at plrhand.c:219
#5  0x08082ea2 in kill_dying_players () at plrhand.c:193
#6  0x0804ee1d in handle_packet_input (pconn=0x0, packet=0x82c3278, type=12)
     at srv_main.c:971
#7  0x0809cc2a in sniff_packets () at sernet.c:608
#8  0x080500ab in srv_loop () at srv_main.c:1681
#9  0x0804fe60 in srv_main () at srv_main.c:1597


jason