[parrot/parrot] e03866: [pmc] rpa: minor refactor (fixup)

[GitHub]

  Branch: refs/heads/rurban/rpa-offset-gh1152
  Home:   https://github.com/parrot/parrot
  Commit: e03866d72de1e2da38fd00ed6534f30f485f84e3
      https://github.com/parrot/parrot/commit/e03866d72de1e2da38fd00ed6534f30f485f84e3
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2014-11-28 (Fri, 28 Nov 2014)

  Changed paths:
    M src/pmc/resizablepmcarray.pmc

  Log Message:
  -----------
  [pmc] rpa: minor refactor (fixup)

set the shift slack element to PMCNULL.