[PATCH] winex11.drv: Mask floating-point invalid exception during glXCreateContext().

[Akihiro Sagawa]

Workaround for Mesa bug 3096.
I can reproduce the issue with Mesa 21.2 and set LIBGL_ALWAYS_SOFTWARE
environment to 1, i.e. LIBGL_ALWAYS_SOFTWARE=1.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47716
Signed-off-by: Akihiro Sagawa 
---
 configure.ac              |  2 ++
 dlls/winex11.drv/opengl.c | 40 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)