style: Fix 2 clippy warnings

src/write.rs

@@ -1235,7 +1235,6 @@ impl<W: Write + Seek> ZipWriter<W> {
     /// Add a new file using the already compressed data from a ZIP file being read and renames it, this
     /// allows faster copies of the `ZipFile` since there is no need to decompress and compress it again.
     /// Any `ZipFile` metadata is copied and not checked, for example the file CRC.
-
     /// ```no_run
     /// use std::fs::File;
     /// use std::io::{Read, Seek, Write};

src/zipcrypto.rs

@@ -30,10 +30,10 @@ impl Debug for ZipCryptoKeys {
             return f.write_fmt(format_args!("ZipCryptoKeys(hash {})", t.finish()));
         }
         #[cfg(any(test, fuzzing))]
-        return f.write_fmt(format_args!(
+        f.write_fmt(format_args!(
             "ZipCryptoKeys::of({:#10x},{:#10x},{:#10x})",
             self.key_0, self.key_1, self.key_2
-        ));
+        ))
     }
 }