horizon.d3piechart.js is failing jshint

[John Davidge]

The current master of horizon.d3piechart.js is causing jshint to fail with the following error:

horizon/static/horizon/js/horizon.d3piechart.js: line 240, col 13, It's not necessary to initialize 'item' to 'undefined'.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/126876

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/126876
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=3246569e7c2ae35829026c6ca6fe2b9568d4841e
Submitter: Jenkins
Branch: master

commit 3246569e7c2ae35829026c6ca6fe2b9568d4841e
Author: John Davidge <email address hidden>
Date: Wed Oct 8 04:19:27 2014 -0700

    Fix jshint failure in horizon.d3piechart.js

    The var "item" on line 240 was explicitly being set to "undefined",
    which is unnecessary.

    Change-Id: Ia4cb8f868a4b201e578157a8ad5c5e552ab6ac8a
    Closes-bug: 1378766