vlr_sgs_fsm: make sure vsub is marked used when LA is present

When the LU is accepted and the subscriber (vsub) is not claimed as "in
use" in the ref counting system.

- Make sure vlr_subscr_get() is called when the LU is accepted.

Change-Id: Iba90be095569cc5212c61ab8e8a9bfd4ae51fd44
Related OS#3934
1 file changed