* npth.h (npth_key_delete, NPTH_ERRORCHECK_MUTEX_INITIALIZER_NP,
npth_rwlockattr_t, npth_rwlockattr_init, npth_rwlockattr_destroy,
npth_rwlockattr_gettype_np, npth_rwlockattr_settype_np,
NPTH_RWLOCK_PREFER_READER_NP, NPTH_RWLOCK_PREFER_WRITER_NP,
NPTH_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, NPTH_RWLOCK_DEFAULT_NP,
NPTH_RWLOCK_INITIALIZER, NPTH_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP):
New macros.
(NPTH_RWLOCK_INIT): Rename to ...
(NPTH_RWLOCK_INITIALIZER): ... this.