use raw settings of ssh for pty
use raw settings of ssh for pty

Signed-off-by: Christian Brauner <48455ab3070520a2d174545c7239d6d0fabd9a83@mailbox.org>

hallyn/lxc,federicobriata/lxc,QingweiPeterLan/cs188-lxc,GreatFruitOmsk/lxc,hfuCN/lxc,terceiro/lxc,cjwatson/lxc,akshaykarle/lxc,akshaykarle/lxc,caglar10ur/lxc,cjwatson/lxc,hallyn/lxc,ss1h2a3tw/lxc,QingweiPeterLan/cs188-lxc,ss1h2a3tw/lxc,federicobriata/lxc,GreatFruitOmsk/lxc,ss1h2a3tw/lxc,thmo/lxc,caglar10ur/lxc,GreatFruitOmsk/lxc,LynxChaus/lxc,hfuCN/lxc,LynxChaus/lxc,terceiro/lxc,ysbnim/lxc,federicobriata/lxc,hallyn/lxc,aeris/lxc,ysbnim/lxc,thmo/lxc,aeris/lxc,caglar10ur/lxc,ysbnim/lxc,akshaykarle/lxc,terceiro/lxc,LynxChaus/lxc,hfuCN/lxc,QingweiPeterLan/cs188-lxc,cjwatson/lxc,aeris/lxc,thmo/lxc