[1924] constify, adjusted position of '&'

src/lib/cc/session.cc

@@ -478,7 +478,7 @@ Session::group_sendmsg(ConstElementPtr msg, std::string group,
     LOG_DEBUG(logger, DBG_TRACE_DETAILED, CC_GROUP_SEND).arg(msg->str()).
         arg(group);
     ElementPtr env = Element::createMap();
-    long int nseq = ++impl_->sequence_;
+    const long int nseq = ++impl_->sequence_;
 
     env->set(isc::util::CC_HEADER_TYPE,
              Element::create(isc::util::CC_COMMAND_SEND));

src/lib/cc/tests/session_unittests.cc

@@ -142,7 +142,7 @@ public:
     // buffer. Expects there's at leas one message in the buffer.
     SentMessage getSentMessage() {
         assert(!sent_messages_.empty());
-        SentMessage result(sent_messages_.front());
+        const SentMessage result(sent_messages_.front());
         sent_messages_.pop_front();
         return (result);
     }
@@ -187,7 +187,7 @@ protected:
     void checkSentMessage(const string& expected_hdr, const char* description)
     {
         SCOPED_TRACE(description);
-        const SentMessage &msg(sess.getSentMessage());
+        const SentMessage& msg(sess.getSentMessage());
         elementsEqual(expected_hdr, msg.first);
         elementsEqual("{\"test\": 42}", msg.second);
     }