Make redraw_screen() a bit smarter if the game isn't initialised yet.

Fixes 1996179.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5961 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on June 18, 2008
ONUYUCYA6VPYVCWJRZ76PV5PVW4EWKQYFMFN73R2PYNDGJPTLZDQC
In channels
main
Change contents