Incorrect datadir value being stored

[Patrick Crews]

We are seeing "../" as the datadir value, regardless of what --datadir arguments have been passed to the server.

For example, when we run ./test-run --record --verbose $test_file
where $test_file contains:
SELECT @@datadir

We see:
> running Drizzle with:drizzle-master/drizzled/drizzled --no-defaults --default-storage-engine=innodb --secure-file-priv=drizzle-master/tests/var --tmpdir=drizzle-master/tests/var/tmp --mysql-protocol.connect-timeout=60 --user=root --pid-file=drizzle-master/tests/var/run/master.pid --mysql-protocol.port=9306 --drizzle-protocol.port=9356 --datadir=drizzle-master/tests/var/master-data --server-id=1 --innodb.data-file-path=ibdata1:20M:autoextend --sort-buffer-size=256K --max-heap-table-size=1M --core-file

NOTE the datadir value

However, the .result file shows us:
SELECT @@datadir;
@@datadir
../