Rename feature to 'trace'

Cargo.toml

@@ -14,7 +14,7 @@ name = "rusqlite"
 
 [features]
 load_extension = ["libsqlite3-sys/load_extension"]
-trace_extension = []
+trace = []
 
 [dependencies]
 time = "~0.1.0"

src/lib.rs

@@ -80,7 +80,7 @@ pub use transaction::{SqliteTransactionBehavior,
 pub mod types;
 mod transaction;
 #[cfg(feature = "load_extension")] mod load_extension_guard;
-#[cfg(feature = "trace_extension")] pub mod trace_extension;
+#[cfg(feature = "trace")] pub mod trace;
 
 /// A typedef of the result returned by many methods.
 pub type SqliteResult<T> = Result<T, SqliteError>;