[LTP] LTP compilation broken with -fno-common

[Petr Vorel]

Hi Li,

> After building LTP with CFLAGS="-fno-common" locally, I just find more
> places that need to do the same improvement.

>     ltp/testcases/kernel/controllers/libcontrollers/libcontrollers.h:56:
> multiple definition of `num_line'
>     ltp/lib/../include/tst_hugepage.h:16: multiple definition of `Hopt'

> Sorry for involving the definition in tst_hugetlb.h without 'extern' issue
> many hours ago. It'd be appreciated if you can fix them together in your
> coming patch.

> Hope this is a timely reminder in case you formatting patch V2 :).
Thanks for info, working on the fix :).

Kind regards,
Petr