Minor nit in bitfield layout

[Mark Mitchell]

  In either case, update sizeof(C) and dsize(C) to include the last byte
  containing (part of) the bitfield.

Presumably, the reference to sizeof(C) should really say something
like:

  Update sizeof(C) to max(sizeof(C), dsize(C))

Right?

--
Mark Mitchell                   mark at codesourcery.com
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