Added virtual destructors

src/modules/dns-base/CMakeLists.txt

         includes/dns-base/QDnsPacket.h
         includes/dns-base/QDnsBase.h
         src/RecordData/QDnsRDataDecoder.cpp
-        includes/dns-base/RecordData/QDnsRDataDecoder.h src/RecordData/QDnsRDataA.cpp src/RecordData/QDnsRDataA.h)
+        includes/dns-base/RecordData/QDnsRDataDecoder.h src/RecordData/QDnsRDataA.cpp includes/dns-base/RecordData/QDnsRDataA.h)
 
 target_link_libraries(${PROJECT_NAME} Qt5::Core)
 

src/modules/dns-base/includes/dns-base/QDnsHeader.h

 
             explicit QDnsHeader(QDataStream &dataStream);
 
+            virtual ~QDnsHeader() = default;
+
             QByteArray serialize() const;
 
             void serialize(QDataStream &dataStream) const;

src/modules/dns-base/includes/dns-base/QDnsPacket.h

 
             QDnsPacket(const QByteArray &data, QDataStream &dataStream);
 
+            virtual ~QDnsPacket() = default;
+
             QByteArray serialize() const;
 
             void serialize(QDataStream &dataStream) const;

src/modules/dns-base/includes/dns-base/QDnsQuery.h

 
             QDnsQuery(const QByteArray &packetData, QDataStream &dataStream);
 
+            virtual ~QDnsQuery() = default;
+
             QByteArray serialize() const;
 
             void serialize(QDataStream &dataStream) const;

src/modules/dns-base/includes/dns-base/QDnsResourceRecord.h

 
             QDnsResourceRecord(const QByteArray &packetData, QDataStream &dataStream);
 
+            virtual ~QDnsResourceRecord() = default;
+
             QByteArray serialize() const;
 
             void serialize(QDataStream &dataStream) const;