[parrot/parrot] 724d13: Fix g++ builds in bytebuffer, wrong cast [GH #835]

[GitHub]

  Branch: refs/heads/rurban/bytebuffer-resize-gh835
  Home:   https://github.com/parrot/parrot
  Commit: 724d13ce7ef52140bfc1cd939b0d7edf3a0b4f61
      https://github.com/parrot/parrot/commit/724d13ce7ef52140bfc1cd939b0d7edf3a0b4f61
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2012-09-22 (Sat, 22 Sep 2012)

  Changed paths:
    M src/pmc/bytebuffer.pmc

  Log Message:
  -----------
  Fix g++ builds in bytebuffer, wrong cast [GH #835]