Fix clippy warnings

Author: sosthene-nitrokey

tests/filesystem.rs

@@ -107,9 +107,7 @@ fn test_write_all(location: Location) {
         let data =
             syscall!(client.read_file_chunk(location, path.clone(), OpenSeekFrom::Start(0))).data;
         assert_eq!(&data, &[48; 1024]);
-        let data =
-            syscall!(client.read_file_chunk(location, path.clone(), OpenSeekFrom::Start(1024)))
-                .data;
+        let data = syscall!(client.read_file_chunk(location, path, OpenSeekFrom::Start(1024))).data;
         assert_eq!(&data, &[48; 1234 - 1024]);
     });
 }
@@ -119,8 +117,7 @@ fn test_write_all_small(location: Location) {
         let path = PathBuf::from("foo2");
         utils::write_all(client, location, path.clone(), &[48; 1023], None).unwrap();
 
-        let data =
-            syscall!(client.read_file_chunk(location, path.clone(), OpenSeekFrom::Start(0))).data;
+        let data = syscall!(client.read_file_chunk(location, path, OpenSeekFrom::Start(0))).data;
         assert_eq!(&data, &[48; 1023]);
     });
 }