checking in bug fix in PreClustered Group operator. The close on aggregate was not being called that prevented reducer from closing

git-svn-id: https://hyracks.googlecode.com/svn/trunk@178 123451ca-8445-de46-9d55-352943316053
1 file changed
tree: 292508a47e655d47209fca4d75fff1fcb4c27901
  1. hyracks/