Bug#1135799: Poppler (GLib) with NSS crypto crashes on exit with using SoftHSM 2 PKCS#11 module

[Bastian Germann]

Control: forwarded -1 https://github.com/softhsm/SoftHSMv2/commit/9ad87341c94ffdf1364ecf27b715475e0d80b0dd

This is a long-standing bug and affects also openssl PKCS#11 engine/provider use.
Ustream has recently pushed a change that addresses this and also applies on the
currently packaged version.