Replace __THROW w/ __NTH pointed out by Amir Shalem, take 2

libc/sysdeps/linux/common/bits/socket.h

@@ -264,7 +264,7 @@ extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
 #  define _EXTERN_INLINE extern __inline
 # endif
 _EXTERN_INLINE struct cmsghdr *
-__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
+__NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
 {
   if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
     /* The kernel header does this so there may be a reason.  */