bug#20200: GUILE 2.0.11: open-bytevector-input-port fails to open in binary mode

[Mark H Weaver]

Fixed in d574d96f879c147c6c14df43f2e4ff9e8a6876b9, which will be in
Guile 2.0.12.  I'm closing this bug now.

    Thanks,
      Mark