Blender Git Loki

Win32: Window Placement DPI and Scale Adjustment

When using multiple monitors that differ in scale and/or dpi, the
varying sizes of the window titles and borders can cause the placement
of those windows to be out by a small amount. This patch adjusts for
those differences on Windows 10 and newer.

see D10863 for details and examples.

Differential Revision: https://developer.blender.org/D10863

Reviewed by Ray Molenkamp