Fix .gitignore after /tools/ split
Fix .gitignore after /tools/ split

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

federicobriata/lxc,hallyn/lxc,GreatFruitOmsk/lxc,terceiro/lxc,hallyn/lxc,ysbnim/lxc,ss1h2a3tw/lxc,hallyn/lxc,caglar10ur/lxc,caglar10ur/lxc,cjwatson/lxc,hfuCN/lxc,ss1h2a3tw/lxc,cjwatson/lxc,LynxChaus/lxc,thmo/lxc,hfuCN/lxc,terceiro/lxc,GreatFruitOmsk/lxc,hfuCN/lxc,federicobriata/lxc,ysbnim/lxc,LynxChaus/lxc,terceiro/lxc,caglar10ur/lxc,ysbnim/lxc,aeris/lxc,cjwatson/lxc,thmo/lxc,GreatFruitOmsk/lxc,federicobriata/lxc,aeris/lxc,LynxChaus/lxc,aeris/lxc,ss1h2a3tw/lxc,thmo/lxc