fix more clippy warnings

src/read.rs

@@ -1112,9 +1112,8 @@ mod test {
         v.extend_from_slice(include_bytes!("../tests/data/mimetype.zip"));
         let mut reader = io::Cursor::new(v);
         loop {
-            match read_zipfile_from_stream(&mut reader).unwrap() {
-                None => break,
-                _ => (),
+            if read_zipfile_from_stream(&mut reader).unwrap().is_none() {
+                break;
             }
         }
     }

src/types.rs

@@ -273,10 +273,7 @@ impl ZipFileData {
 
         ::std::path::Path::new(&filename)
             .components()
-            .filter(|component| match *component {
-                ::std::path::Component::Normal(..) => true,
-                _ => false,
-            })
+            .filter(|component| matches!(*component, ::std::path::Component::Normal(..)))
             .fold(::std::path::PathBuf::new(), |mut path, ref cur| {
                 path.push(cur.as_os_str());
                 path