Documentation: environment-variables: Use standard rST link syntax

The usage of # in embedded URIs for references to sections in
reStructuredText is HTML specific. Use the standard rST reference to
targets instead, to be compatible with other formats as well, should
this documentation ever be exported to PDF, for example.

See [1] for an equivalent commit in the Linux Kernel documentation.

[1] https://lore.kernel.org/linux-doc/20201228144537.135353-1-nfraprado@protonmail.com/

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Sebastian Fricke <sebastian.fricke@posteo.net>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

0 files changed, 0 insertions, 0 deletions