[CRIU] [PATCH] restorer: Print error code from sys_set_robust_list

[Pavel Emelyanov]

On 03/27/2013 09:09 PM, Cyrill Gorcunov wrote:
> Some syscalls return error code, so for easier debugging
> instead of zapping it -- print it together with error
> message.
> 
> And make error message more detailed as well.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>

Applied