Fix [1928206] by taking wasp's suggestion of moving

spawn_random_monsters() from world_reacts() to handle_time(), so that, in terms of game time, it's done at the same rate as other events.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5856 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on June 15, 2008
RYCGST674RRH2TASRIXJSBRVAC4K2VLWICKLKIPJJRUQZMRYLGBQC
Change contents