more use of NonCopyable

include/blitz/protocol/PacketVisitor.h

@@ -18,7 +18,7 @@ namespace protocol {
  * \class PacketVisitor
  * \brief This class uses double-dispatch in order to find the real type of a packet
  */
-class PacketVisitor {
+class PacketVisitor : private NonCopyable {
   protected:
 	PacketVisitor() {}
 	virtual ~PacketVisitor() {}

include/blitz/protocol/Packets.h

@@ -5,6 +5,7 @@
  * \brief File containing the definitions of the packets
  */
 
+#include <blitz/common/NonCopyable.h>
 #include <blitz/protocol/PacketData.h>
 #include <blitz/protocol/PacketDeclare.h>
 
@@ -34,7 +35,7 @@ enum class PacketType : PacketID {
 #undef DeclarePacket
 
 
-class Packet {
+class Packet : private NonCopyable {
   public:
 	/**
 	 * \return The real type of the packet