[PATCH 03/11] support: Add xpthread_attr_setaffinity_np wrapper

[Joseph Myers]

I think this has broken the build for Hurd.

xpthread_attr_setaffinity_np.c: In function 'xpthread_attr_setaffinity_np':
xpthread_attr_setaffinity_np.c:26:26: error: implicit declaration of function 'pthread_attr_setaffinity_np'; did you mean 'xpthread_attr_setaffinity_np'? [-Werror=implicit-function-declaration]
   26 |                          pthread_attr_setaffinity_np (attr, cpusetsize,
      |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                          xpthread_attr_setaffinity_np

-- 
Joseph S. Myers
joseph@codesourcery.com