Fix typo in swarm's master.cfg
Fix typo in swarm's master.cfg

TBR=mad@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10440005

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@138703 0039d316-1c4b-4281-b951-d872f2087c98

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