memif: fix the memory leak when memif cli getting wrong parameters inputs
memif: fix the memory leak when memif cli getting wrong parameters inputs

Type: fix

Signed-off-by: Han Wu <8d461956ba24e059ae76364f6cad73e296f5016c@163.com>
Change-Id: I0aeafd273b3d1d01df02d638c72461943f91ef90

FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp