Added a missing 'with' clause to hpl.hpcc2012.chpl
Merge pull request #1049 from vasslitvinov/fix-hpl.hpcc2012.chpl

Added a missing 'with' clause to hpl.hpcc2012.chpl

It is required because of forall intents #614.
Courtesy to Lydia and the performance team for triaging this.