am 79260746: Merge "libc: memmove(): non-overlapping block optim." into gingerbread

Merge commit '79260746dbed91babab415ea86fba0e3eb086429' into gingerbread-plus-aosp

* commit '79260746dbed91babab415ea86fba0e3eb086429':
  libc: memmove(): non-overlapping block optim.