[parrot/parrot] 99e214: [config] default optimize to -O2 on gcc and msvc

[GitHub]

  Branch: refs/heads/smoke-me/env-gh1191
  Home:   https://github.com/parrot/parrot
  Commit: 99e214987063d9d35dc5ee5d5ab67ef4ee2ac2e7
      https://github.com/parrot/parrot/commit/99e214987063d9d35dc5ee5d5ab67ef4ee2ac2e7
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-26 (Mon, 26 Jan 2015)

  Changed paths:
    M config/init/hints/mswin32.pm
    M config/init/optimize.pm

  Log Message:
  -----------
  [config] default optimize to -O2  on gcc and msvc

on win64 strawberry perl and msvc (--cc=cl) it would be empty or '-s -O2'
otherwise.