The qla2xxx driver uses a port_id_t to mark the start of its enumerations.  gcc
is complaining that wrap.b24 may be used uninitialized, but this doesn't look
to be possible.  Silence it.
Signed-off-by: NGiridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>