stubdom: fix libc-verbose non-lwip compilation
stubdom: fix libc-verbose non-lwip compilation

Signed-off-by: Samuel Thibault <49a5ed162141aa1a2ad45c2f70540ac844521912@eu.citrix.com>

rowhit/xen-minios,rowhit/xen-minios,rowhit/xen-minios