[media] libv4l-introdution.rst: fix function definitions

c:type is not the right tag for function definitions.
Replace them by .. c:function::

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-09-08 06:07:47 -03:00
commit 9281f251be