Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Alex Suraci:
     d -> domain ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14572255 )
  Aram Price:
     Normalize spacing ( Travis finished: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14570974 )