x86, boot: documentation whitespace fixup

Fix an extra space that sneaked in with commit 09c205afd "(x86, boot:
Define the 2.12 bzImage boot protocol").

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Michael S. Tsirkin 2018-11-30 09:22:17 -05:00 committed by Jonathan Corbet
parent 41c31f6a59
commit c5ed311b4e