[PATCH v11] nptl: fix potential merge of __rseq_* relro symbols

[Florian Weimer]

* Adhemerval Zanella Netto:

> Although the fix would be simple (just include wordsize.h), the RSEQ
> support also does not make sense to be in generic API anyway.  I am
> checking this patch to make Linux only:

Makes sense, sorry for missing it.

Thanks,
Florian