- fixed some issues related to "config listen 1" mode

i.e. do not write some lines twice when in this mode

conman.h

@@ -88,6 +88,7 @@ int SCVerifyConnection(SConnection * self);
 /*------------------------------- tasking --------------------------------*/
 int SCTaskFunction(void *pCon);
 void SCSignalFunction(void *pCon, int iSignal, void *pSigData);
+SConnection *GetSendingConnection(void);
 /* ***************************** I/O **************************************  */
 void SCSetOutputClass(SConnection * self, int iClass);
 int SCWrite(SConnection * self, char *pBuffer, int iOut);