[LTP] [PATCH v2 5/5] Use SAFE_CMD()

[Petr Vorel]

Hi Li,

...
> + I needed to put back static inline for safe_cmd() (it was in previous version,
> it's really needed). So there is latest version available on
> https://github.com/pevik/ltp/tree/needs_cmds.v2.fixes

> which passed some travis jobs (I'll check that tomorrow)
> https://travis-ci.org/github/pevik/ltp/builds/668925599
Working. Just opensuse/tumbleweed fails, but that's due bug in the distro
(it also broke CI on master, I'll report it tomorrow).

Kind regards,
Petr