Fixing mistake in previous change to exclude pnacl from triggering the main waterfall.
Fixing mistake in previous change to exclude pnacl from triggering the
main waterfall.

R=pdox@google.com
TEST=None
BUG=None
Review URL: http://codereview.chromium.org/8523026

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@109701 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build