* sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
(__pthread_list_t): New typedef.
(pthread_mutex_t): Replace __next and __prev fields with __list.
* sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
(__pthread_list_t): New typedef.
(pthread_mutex_t): Replace __next and __prev fields with __list.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
(__pthread_list_t, __pthread_slist_t): New typedefs.
(pthread_mutex_t): Replace __next and __prev fields with __list.
* sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
(__pthread_list_t, __pthread_slist_t): New typedefs.
(pthread_mutex_t): Replace __next and __prev fields with __list.
* sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h
(__pthread_list_t, __pthread_slist_t): New typedefs.
(pthread_mutex_t): Replace __next and __prev fields with __list.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h
(__pthread_slist_t): New typedef.
(pthread_mutex_t): Replace __next field with __list.