[LEDE-DEV] [PATCH fstools] overlay: fix compilation with glibc

[Florian Fainelli]

On 01/07/2018 10:04 AM, Roman Yeryomin wrote:
> glibc fails with:
> warn_unused_result [-Wunused-result]
>    system("cp -a /tmp/root/upper/* / 2>/dev/null");
> 
> Regression intoroduced with 11efbf3b90f031ce634fc38cad07a4aef2985777
> Reported here:
> https://www.mail-archive.com/lede-dev@lists.infradead.org/msg10502.html
> 
> Signed-off-by: Roman Yeryomin <roman at advem.lv>

Acked-by: Florian Fainelli <f.fainelli at gmail.com>

Just met that problem as well.
-- 
Florian