Redraw the backscreen using a temporary rrect set to stat-bar-up screen size (so as not to stomp the player's scaledwindow properties) when rendering the automap background for the first time. Then set the game to redraw the border normally when the automap is exited.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2439 86ba831e-150c-0410-ab35-e06eaae15ed9