docs: fixup broken envvar-role syntax
authorErik Faye-Lund <erik.faye-lund@collabora.com>
Tue, 14 Mar 2023 10:55:29 +0000 (11:55 +0100)
committerMarge Bot <emma+marge@anholt.net>
Tue, 21 Mar 2023 11:19:41 +0000 (11:19 +0000)
commit331601abda78fc192d25d9219cea08eb8d6e68d4
tree70e6f3815d4de069b519fa9ce06da8b18bde72e9
parentf2aa0e80a0c392b407f59ded6c10e4504d96fc6c
docs: fixup broken envvar-role syntax

This needs a leading colon, otherwise it renders as "envvar:" followed
with environment variable using the c-expression role.

Fixes: 4c19426fd6a ("docs/envvars: add missing mesa disk cache envvars")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21896>
docs/envvars.rst