V4L/DVB (10128): modify V4L documentation to be a valid XHTML

Modify Documentation/video4linux/API.html to be a valid XHTML 1.0 Strict.
The result was verified using the http://validator.w3.org/ service.

Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1 file changed