[PATCH] Finish the task 'sysctl reporting current working directory'

[Edward Tomasz Napierała]

On 1106T0913, Mateusz Guzik wrote:
> On Mon, Nov 03, 2014 at 04:52:35PM +0800, Tiwei Bie wrote:
> 
> kernel changes got in in r274167
> 
> Please submit tmux patch to bugzilla.

Just wondering, why put the changes into tmux and not getcwd(3)?