Fix error in commit bae6ab5a7aafa6e66c1f929acf1f7668c5cc806d
Fix error in commit bae6ab5a7aafa6e66c1f929acf1f7668c5cc806d

"Split the dart_sdk bot script into two runs ..." used sys.argv[2]
instead of sys.argv[1]

BUG=
TBR=terry@google.com

Review-Url: https://codereview.chromium.org/3012713002 .

dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk