[Bug 14122] MagicMaps crashes in 2D window when user session via nxclient

http://bugs.winehq.org/show_bug.cgi?id=14122

--- Comment #5 from Juan Lang   2008-06-26 11:11:17 ---
It looks as though you're using a slightly not up-to-date version of Wine, as
the current version checks that ctx is not NULL before making that call:

if (ctx) ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0,
NULL );

See:
http://source.winehq.org/source/dlls/winex11.drv/opengl.c#L2145

Try updating to latest git and try again.