Fixed code styling.

src/util.rs

@@ -40,8 +40,7 @@ impl SQLiteConnectionFactory for PathSQLiteConnectionFactory {
     }
 }
 
-
-pub struct InMemorySQLiteConnectionFactory{}
+pub struct InMemorySQLiteConnectionFactory {}
 
 impl SQLiteConnectionFactory for InMemorySQLiteConnectionFactory {
     fn connection(&self) -> Connection {
@@ -51,4 +50,4 @@ impl SQLiteConnectionFactory for InMemorySQLiteConnectionFactory {
     fn readonly(&self) -> Connection {
         Connection::open_in_memory_with_flags(OpenFlags::SQLITE_OPEN_READ_ONLY).unwrap()
     }
-}
+}