Modified MonoFontFamilyProc callback to filter out "vertical" font names (i.e. those beginning with '@')
See http://tinyurl.com/6ul6rfo for details of vertical fonts.
This is a copy of the change made in the "parsnip" branch at r3620.
Authored by: delphidabbler 2013-10-19
Parent: [r3620]
Child: [r3622]
