i#1680 large pages: Declare page_size as uint to keep Windows happy.
i#1680 large pages: Declare page_size as uint to keep Windows happy.

Review-URL: https://codereview.appspot.com/317870043

AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio