Cursors.cs: Fix the appearance of the SizeNESW cursor when not running on Unix. Fixes bug 681032.

mcs/class/Managed.Windows.Forms/System.Windows.Forms/Cursors.cs

@@ -286,7 +286,7 @@ namespace System.Windows.Forms {
 						size_nesw = new Cursor(typeof(Cursor), "NESW.cur");
 						size_nesw.name = "SizeNESW";
 					} else {
-						size_nesw = new Cursor(StdCursor.SizeNWSE);
+						size_nesw = new Cursor(StdCursor.SizeNESW);
 						size_nesw.name = "SizeNESW";
 					}
 				}