[Ohrrpgce] SVN: teeemcee/8008 gfx_sdl filter out redundant window resize messages on Windows

[subversion at HamsterRepublic.com]

teeemcee
2016-05-04 22:51:52 -0700 (Wed, 04 May 2016)
220
gfx_sdl filter out redundant window resize messages on Windows

These caused the overlay message box indicating the window size to appear
when the program started and any time the window size was changed
programmatically
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U   wip/allmodex.bas
U   wip/gfx_sdl.bas