remove unnecessary clones (#224)

Signed-off-by: Dirk Rusche <[email protected]>

Author: DirkRusche

src/binding/http/deserializer.rs

@@ -34,10 +34,10 @@ impl<'a, T: Headers<'a>> BinaryDeserializer for Deserializer<'a, T> {
                 .unwrap()?,
         )?;
 
-        visitor = visitor.set_spec_version(spec_version.clone())?;
-
         let attributes = spec_version.attribute_names();
 
+        visitor = visitor.set_spec_version(spec_version)?;
+
         for (hn, hv) in self.headers.iter().filter(|(hn, _)| {
             let key = hn.as_str();
             SPEC_VERSION_HEADER.ne(key) && key.starts_with("ce-")

src/binding/rdkafka/kafka_consumer_record.rs

@@ -51,10 +51,10 @@ impl BinaryDeserializer for ConsumerRecordDeserializer {
             })?,
         )?;
 
-        visitor = visitor.set_spec_version(spec_version.clone())?;
-
         let attributes = spec_version.attribute_names();
 
+        visitor = visitor.set_spec_version(spec_version)?;
+
         if let Some(hv) = self.headers.remove(CONTENT_TYPE) {
             visitor = visitor.set_attribute(
                 "datacontenttype",