Fix the ssh instruction
Fix the ssh instruction

Far a random reason, doing that inside a Makefile breaks the terminal display

mirage/mirage-vagrant-vms,sjfloat/mirage-vagrant-vms,yifanz/mirage-vagrant-vms,englishm/vagrant-xen,mirage/mirage-vagrant-vms,sjfloat/mirage-vagrant-vms,englishm/vagrant-xen,yifanz/mirage-vagrant-vms