Add nacl_integration back on win_rel.

The underlying issue with python 2.7 and nacl_integration_tests is fixed.

R=phajdan.jr@chromium.org
BUG=319558,319585

Review URL: https://codereview.chromium.org/112953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/commit-queue@240164 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed