sphinx.rst: fix unknown reference
authorMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 14 Jul 2017 16:41:19 +0000 (13:41 -0300)
committerJonathan Corbet <corbet@lwn.net>
Mon, 17 Jul 2017 19:18:30 +0000 (13:18 -0600)
commit29fd35bd02568f27b463657218889276215b1662
treeab1b82a7affa59a135ca5f6ea57650afbf356c39
parent58ef4a42dd42580945985c533d4d5c3d6628ef92
sphinx.rst: fix unknown reference

There's no "Sphinx C Domain" reference at the Kernel
documentation. So, don't use references for it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/doc-guide/sphinx.rst