session: move svm_fifo_clear_deq_ntf to before calling the app callback
session: move svm_fifo_clear_deq_ntf to before calling the app callback

Type: fix

in case the app requests another dequeue notification, it should not be cleared

Change-Id: I7e94e8e30ef098f87f5e7f4880af276970ee5b37
Signed-off-by: Vladimir Kropylev <f8129a796e934f0518e32e432cbbfd4f723f9f09@enea.com>

vpp-dev/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,vpp-dev/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp