Remove #[macro_use] attribute when importing macros

src/lib.rs

@@ -58,12 +58,6 @@
 
 pub use libsqlite3_sys as ffi;
 
-#[macro_use]
-extern crate bitflags;
-#[cfg(any(test, feature = "vtab"))]
-#[macro_use]
-extern crate lazy_static;
-
 use std::cell::RefCell;
 use std::convert;
 use std::default::Default;
@@ -761,7 +755,7 @@ impl fmt::Debug for Connection {
     }
 }
 
-bitflags! {
+bitflags::bitflags! {
     #[doc = "Flags for opening SQLite database connections."]
     #[doc = "See [sqlite3_open_v2](http://www.sqlite.org/c3ref/open.html) for details."]
     #[repr(C)]