[Ohrrpgce] SVN: teeemcee/13382 Fix lack of window recentering when starting a game at not-320x200-not-2

[subversion at HamsterRepublic.com]

teeemcee
2023-11-01 03:55:32 -0700 (Wed, 01 Nov 2023)
196
Fix lack of window recentering when starting a game at not-320x200-not-2x-zoom

At least, it didn't recenter when using gfx_sdl2. gfx_sdl does, probably
because it recreates the window a lot more.
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U   wip/yetmore2.bas