message: Make `--out` work with unqualified relative paths
  Summary:
  broke this. enabled the default argument to work,
  but I think this is a better fix.
diff: @@ -412,8 +412,9 @@ Given an APK, produce a better APK!
  description=description)
  parser.add_argument('input_apk', help='Input APK file')
  - parser.add_argument('-o', '--out', nargs='?', default='./redex-out.apk',
  - help='Output APK file name (defaults to ./redex-out.apk)')
  + parser.add_argument('-o', '--out', nargs='?', type=os.path.realpath,
  + default='redex-out.apk',
  + help='Output APK file name (defaults to redex-out.apk)')
  parser.add_argument('-j', '--jarpath', dest='jarpaths', action='append', default=[],
  help='Path to dependent library jar file')
  