address comments

Author: BewareMyPower

lib/c/c_Message.cc

@@ -153,11 +153,7 @@ const char *pulsar_message_get_producer_name(pulsar_message_t *message) {
 
 const char *pulsar_message_get_replicated_from(pulsar_message_t *message) {
     const auto replicatedFrom = message->message.getReplicatedFrom();
-    if (!replicatedFrom) {
-        return NULL;
-    }
-
-    return message->message.getReplicatedFrom().value()->c_str();
+    return replicatedFrom ? replicatedFrom.value()->c_str() : nullptr;
 }
 
 int pulsar_message_has_null_value(pulsar_message_t *message) { return message->message.hasNullValue(); }