Correct JackClientRequestInterface.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@4692 0c269be4-1314-0410-8aa9-9f06e86f4224

common/JackChannel.h

@@ -74,6 +74,12 @@ class JackClientRequestInterface : public JackChannelTransactionInterface, publi
         {}
         virtual ~JackClientRequestInterface()
         {}
+        
+        virtual int Read(void* data, int len) { return -1; }
+        virtual int Write(void* data, int len) { return -1; }
+        
+        virtual int Connect(const char* dir, const char* name, int which) { return -1; }
+        virtual int Close() { return -1; }
 
 };