[poppler] 0.20 vs master version and soversion

[James Cloos]

Now that the 0.20 branch has version 0.20.1 and soversion 26, should
master be updated from 0.20.0 and 25, too?

-JimC
-- 
James Cloos <cloos at jhcloos.com>         OpenPGP: 1024D/ED7DAEA6