#3 Defaults Values not Properly Initialised

[Jonathon Coombes]

111218 10:40:56 [Warning] option 'soliddb-log-block-size': unsigned value 0 adjusted to 512
111218 10:40:56 [Warning] option 'plugin-soliddb-log-block-size': unsigned value 0 adjusted to 512
111218 10:40:56 [Warning] option 'soliddb-backup-block-size': unsigned value 0 adjusted to 512
111218 10:40:56 [Warning] option 'plugin-soliddb-backup-block-size': unsigned value 0 adjusted to 512
111218 10:40:56 [Warning] option 'soliddb-io-threads': unsigned value 0 adjusted to 1
111218 10:40:56 [Warning] option 'plugin-soliddb-io-threads': unsigned value 0 adjusted to 1
111218 10:40:56 [Warning] option 'soliddb-write-threads': unsigned value 0 adjusted to 1
111218 10:40:56 [Warning] option 'plugin-soliddb-write-threads': unsigned value 0 adjusted to 1