[Ohrrpgce] SVN: teeemcee/7873 Add 'user_toggled_fullscreen' to WindowState.

[subversion at HamsterRepublic.com]

teeemcee
2016-03-25 08:47:40 -0700 (Fri, 25 Mar 2016)
148
Add 'user_toggled_fullscreen' to WindowState.

All backends updated, but only directx, sdl and alleg can actually track it,
and I didn't test alleg.
---
U   wip/gfx.bi
U   wip/gfx_alleg.bas
U   wip/gfx_console.bas
U   wip/gfx_directx/gfx_directx.cpp
U   wip/gfx_directx/gfx_directx.h
U   wip/gfx_fb.bas
U   wip/gfx_sdl.bas