[PATCH xwayland] xwayland: Add hack for FWXGA resolution #99574

[Svitozar Cherepii]

Tested-by: Svitozar Cherepii <razotivs at gmail.com>

I tested it on my Arch (GNU/Linux) x86_64 with this patch only applied
on 1.19.1 release version:

> pacman -Qi xorg-server-xwayland
> Name            : xorg-server-xwayland
> Version         : 1.19.1-1
> Description     : run X clients under wayland
> Architecture    : x86_64
> URL             : http://xorg.freedesktop.org
> Licenses        : custom
> Groups          : xorg
> Provides        : None
> Depends On      : libxfont2  libepoxy  libunwind  libsystemd  libgl  pixman
>                   xorg-server-common
> Optional Deps   : None
> Required By     : gdm
> Optional For    : None
> Conflicts With  : None
> Replaces        : None
> Installed Size  : 2.07 MiB
> Packager        : Unknown Packager
> Build Date      : Fri Feb 3 01:28:58 2017
> Install Date    : Fri Feb 3 01:30:40 2017
> Install Reason  : Installed as a dependency for another package
> Install Script  : No
> Validated By    : None