Revert "Apply stat64 hack" to prepare for updating SQLite3

This reverts commit dc637c8a2927402b1367ec6a54ddc9c2df7a581a.
Update bundled SQLite3 to version 3.8.4.1
Reapply "Apply stat64 hack" after updating SQLite3

This reverts commit ffc6e42da596c69ae5455e07f0e0946b67a49d41.
Merge pull request #43 from sethfowler/update-to-sqlite-3.8.4.1

Update to SQLite 3.8.4.1