include/atomic/rwlock.h:
  define MY_ATOMIC_MODE_RWLOCKS if this is the way we have to go
mysys/lf_alloc-pin.c:
  no semicolon
mysys/lf_hash.c:
  no semicolon
storage/maria/lockman.c:
  no semicolon
storage/maria/ma_loghandler.c:
  no semicolon
unittest/mysys/my_atomic-t.c:
  powerpc is no better
  (condition could be a bit too broad, but hey, it's just a unit test)