add end of string for format name in unix_physmem_region_alloc
add end of string for format name in unix_physmem_region_alloc

Change-Id: I8cb4d5d90fb321de6e5037a3d0440507db79ec75
Signed-off-by: lollita liu <96e383ae8f725e70237d0ec2ea6e0699f4c7e6f0@ericsson.com>

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