Fix inter-glyph spacing on Win32, as much as possible.  Looks like Win32 won't get pairwise kerning, either.
Fix inter-glyph spacing on Win32, as much as possible.  Looks like Win32 won't
get pairwise kerning, either.

mammadori/pyglet,oktayacikalin/pyglet,oktayacikalin/pyglet,mammadori/pyglet,oktayacikalin/pyglet,theblacklion/pyglet,oktayacikalin/pyglet,mammadori/pyglet,theblacklion/pyglet,theblacklion/pyglet,theblacklion/pyglet,theblacklion/pyglet,mammadori/pyglet,oktayacikalin/pyglet