(read_binary_journal): Fixed a tiny memory leak when reading from a binary cache.
(read_binary_journal): Fixed a tiny memory leak when reading from a
binary cache.

ledger/ledger,paulbdavis/ledger,duncanmortimer/ledger,paulbdavis/ledger,ledger/ledger,jwakely/ledger,duncanmortimer/ledger,jwakely/ledger,afh/ledger,jwakely/ledger,ledger/ledger,duncanmortimer/ledger,jwakely/ledger,paulbdavis/ledger,duncanmortimer/ledger,paulbdavis/ledger,afh/ledger,afh/ledger,jwakely/ledger,afh/ledger,paulbdavis/ledger,paulbdavis/ledger,duncanmortimer/ledger,ledger/ledger,duncanmortimer/ledger,jwakely/ledger,duncanmortimer/ledger,ledger/ledger,jwakely/ledger,paulbdavis/ledger,afh/ledger