fixed compiler warnings

src/lib/ebus/data.cpp

@@ -127,7 +127,7 @@ void appendJson(ostringstream& output, const string name, const string value, bo
     if (!plain) {
       const char* str = value.c_str();
       char* strEnd = NULL;
-      double dvalue = strtod(str, &strEnd);
+      strtod(str, &strEnd);
       plain = strEnd && *strEnd;
     }
   }

src/lib/ebus/message.cpp

@@ -170,11 +170,11 @@ Message::Message(const string circuit, const string level, const string name,
     : AttributedItem(name, attributes), m_circuit(circuit), m_level(level), m_isWrite(isWrite),
       m_isPassive(isPassive),
       m_srcAddress(srcAddress), m_dstAddress(dstAddress),
-      m_id(id), m_data(data), m_deleteData(deleteData),
+      m_id(id), m_key(createKey(id, isWrite, isPassive, srcAddress, dstAddress)),
+      m_data(data), m_deleteData(deleteData),
       m_pollPriority(pollPriority),
       m_usedByCondition(false), m_isScanMessage(false), m_condition(condition),
-      m_lastUpdateTime(0), m_lastChangeTime(0), m_pollCount(0), m_lastPollTime(0),
-      m_key(createKey(id, isWrite, isPassive, srcAddress, dstAddress)) {
+      m_lastUpdateTime(0), m_lastChangeTime(0), m_pollCount(0), m_lastPollTime(0) {
   if (circuit == "scan") {
     setScanMessage();
     m_pollPriority = 0;
@@ -781,7 +781,6 @@ result_t Message::storeLastData(SlaveSymbolString& data, size_t index) {
   if (data != m_lastSlaveData) {
     m_lastChangeTime = m_lastUpdateTime;
     m_lastSlaveData = data;
-    const SlaveSymbolString& chk = getLastSlaveData();
   }
   return RESULT_OK;
 }

src/lib/ebus/message.h

@@ -612,9 +612,6 @@ class Message : public AttributedItem {
    * false if message can be initiated by any participant. */
   const bool m_isPassive;
 
-  /** the additional named attributes. */
-  const map<string, string> m_attributes;
-
   /** the source address, or @a SYN for any (only relevant if passive). */
   const symbol_t m_srcAddress;