We allocate vring_spinlock for all vrings in the vui, not just the ones
being used. So when we free the vui, we have to free vring_spinlock for
all vrings, not just the one being used.
Type: fix
Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: I3951fda71ce6e11474b04302116ea9e08b404758