Fix options page with fixed with grids so that the columns adjust to DPI setting (previously hard codes for 96DPI).
Fix options page with fixed with grids so that the columns adjust to DPI setting (previously hard codes for 96DPI).

git-svn-id: c806da28ca781a1e2f2d0b1fde2a9d9a144b325a@484 295070fd-a27b-da4f-a32e-77c6a882a0e3

Andrew-Phillips/HexEdit,AndrewWPhillips/HexEdit,Andrew-Phillips/HexEdit,Andrew-Phillips/HexEdit,AndrewWPhillips/HexEdit,AndrewWPhillips/HexEdit