Missing derive

Signed-off-by: Serial <69764315+Serial-ATA@users.noreply.github.com>

src/db.rs

@@ -25,7 +25,7 @@ pub struct FileMetadata {
     pub duration: u32,
 }
 
-#[derive(Default)]
+#[derive(Default, PartialEq)]
 pub struct Metadata {
     pub title: String,
     pub artist: String,

src/tags.rs

@@ -6,7 +6,7 @@ use crate::db;
  * GPLv3 license.
  *
  **/
-use lofty::{Accessor, ItemKey, Probe};
+use lofty::{Accessor, ItemKey};
 use regex::Regex;
 use std::path::Path;
 use substring::Substring;