[parrot/parrot] 37ed54: [build] fix powerpc --m=64 GH #1110

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/parrot/parrot
  Commit: 37ed548116d5340fdd25bf8bda31b8a91a042fa3
      https://github.com/parrot/parrot/commit/37ed548116d5340fdd25bf8bda31b8a91a042fa3
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2014-10-23 (Thu, 23 Oct 2014)

  Changed paths:
    M ChangeLog
    M config/auto/gcc.pm

  Log Message:
  -----------
  [build] fix powerpc --m=64 GH #1110

ppc64 can run on powerpc 32bit OS with a ppc64 CPU, and needs -m64 then.
-mabi=64 does not work there.