sanlock: code movement in virLockManagerSanlockAcquire
sanlock: code movement in virLockManagerSanlockAcquire

https://bugzilla.redhat.com/show_bug.cgi?id=1097227

Just move some code around for future patches to ease the review.
With this patch there is no need for drastic cleanup path later.

Signed-off-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>
(cherry picked from commit d99057423c4c9310cfc324d73e201eeb83c7d6b8)
Signed-off-by: Jiri Denemark <62bdf77dc47919a4d59a91822129d14633cfca81@redhat.com>

mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2