Fix crash when g_maxplayers smaller than current amount of active players
This change fixes crash when amount of currently active players is larger than g_maxplayers
which could happen after some votes.
Here's example crash dump:
Jan 26 23:42:20 pub.regulars.win public[15016]: s2044: ./lib/oo.qh:46: STORE_ENT GLOBAL52330, GLOBAL4
Jan 26 23:42:20 pub.regulars.win public[15016]: s2045: ./lib/oo.qh:46: CALL2 setorigin (=setorigin())
Jan 26 23:42:20 pub.regulars.win public[15016]: s2046: ./lib/oo.qh:49: RETURN GLOBAL52330
Jan 26 23:42:20 pub.regulars.win public[15016]: s2047: ./lib/oo.qh:37: CALL0 _spawn (=_spawn())
Jan 26 23:42:20 pub.regulars.win public[15016]: ./lib/oo.qh:37 : __spawn : statement 18
Jan 26 23:42:20 pub.regulars.win public[15016]: :461 : TeamBalance_CheckAllowedTeams : statement 14
Jan 26 23:42:20 pub.regulars.win public[15016]: ound_secrets:446 : bot_removefromlargestteam : statement 1
Jan 26 23:42:20 pub.regulars.win public[15016]: ound_secrets:495 : bot_removenewest : statement 1
Jan 26 23:42:20 pub.regulars.win public[15016]: ound_secrets:638 : bot_fixcount : statement 40
Jan 26 23:42:20 pub.regulars.win public[15016]: ound_secrets:739 : bot_serverframe : statement 118
Jan 26 23:42:20 pub.regulars.win public[15016]: me:238 : _StartFrame : statement 108
Jan 26 23:42:20 pub.regulars.win public[15016]: :215 : StartFrame : statement 2
Jan 26 23:42:20 pub.regulars.win public[15016]: Saving game to crash-server.dmp...