[OpenJDK 2D-Dev] RFR: 8133309: Some unicode characters do not display any more after upgrading to Windows 10

[Phil Race]

https://bugs.openjdk.java.net/browse/JDK-8133309
http://cr.openjdk.java.net/~prr/8133309/
Add Segoe UI Symbol (available on Vista and later) to the fall back list 
of fonts
for Windows.

This gives us some coverage we did not have before - better quality too -
but is particularly needed on Windows 10.

-phil.