[media] pd-alsa: fix compilation breakage by commit da35de640

commit da35de640 broke compilation, as it reverted the name of the
usb card free function.

Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-09-23 16:42:44 -03:00
commit fac44ee564