Bug#900110: xserver-xorg-video-r128: FTBFS with xserver 1.20

[Emilio Pozuelo Monfort]

Source: xserver-xorg-video-r128
Version: 6.10.2-1
Severity: serious
Tags: buster sid

r128 fails to build with xserver 1.20:

https://buildd.debian.org/status/package.php?p=xserver-xorg-video-r128

Emilio