Fix a call to pantheon_bulk_file_deleteI() without a check first.
Fix a call to pantheon_bulk_file_deleteI() without a check first.

Follow-up to #37, #38, as originally reported by @phenaproxima in #drupal-contribute
brainhell/drupalglass,lincgr/Prueba,joshkoenig/golden-god-demo,brainhell/drupalglass,lincgr/Prueba,lincgr/Prueba,brainhell/drupalglass,joshkoenig/golden-god-demo,lincgr/Prueba,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,brainhell/drupalglass,joshkoenig/golden-god-demo,brainhell/drupalglass,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo