Minor code cleanup/refactoring. No functional changes.
Minor code cleanup/refactoring. No functional changes.

gwenn/rusqlite,jgallagher/rusqlite,mikelodder7/rusqlcipher,gwenn/rusqlite,xinghun92/rusqlite,mikelodder7/rusqlcipher,jgallagher/rusqlite,xinghun92/rusqlite,mikelodder7/rusqlcipher,gwenn/rusqlite,jgallagher/rusqlite,xinghun92/rusqlite