[LTP] clock_settime: use POSIX runtime detection for CLOCK_MONOTONIC

[Andrea Cervesato]

> 
> > > New Open POSIX testsuite headers should carry a "Created by: name <email>"
> > > line and a brief description of the file's purpose in the copyright block,
> > > consistent with the rest of the tree (e.g. helpers.h). Please add both.
> 
> 
> > This is correct, I will fix it before merging it.
> > Ping @Petr
> 
> Replied previously. BTW Agent removed "v2" from the title [1], therefore I did
> not reply here because I did not want my reply to endup in old patch version.
> 
> It'd be great if Agent just keep the title to not confuse humans (people usually
> trust the title instead of parsing In-Reply-To:).
> 

I didn't find a way to do it yet. I will take a look

--
Andrea Cervesato
SUSE QE Automation Engineer Linux
andrea.cervesato@suse.com