fixed gnu warning

src/cas/generic/casStrmClient.cc

@@ -1834,7 +1834,6 @@ caStatus casStrmClient::accessRightsResponse (
 caStatus casStrmClient::write()
 {
 	const caHdrLargeArray *pHdr = this->ctx.getMsg();
-	casPVI * pPV = this->ctx.getPV();
 	caStatus status;
 
 	//

src/cas/generic/casStrmClient.h

@@ -127,7 +127,7 @@ private:
         casChannelI & chan, const caHdrLargeArray & hdr, unsigned dbrType );
 	caStatus channelCreateFailedResp ( epicsGuard < casClientMutex > &,
         const caHdrLargeArray &, const caStatus createStatus );
-    caStatus casStrmClient::channelDestroyNotify (
+    caStatus channelDestroyNotify (
         epicsGuard < casClientMutex > & guard, 
         casChannelI &, bool uninstallNeeded );
 

src/cas/generic/chanIntfForPV.h

@@ -44,7 +44,7 @@ class gdd;
 class chanIntfForPV : public tsDLNode < chanIntfForPV > {
 public:
     chanIntfForPV ( class casCoreClient & );
-    ~chanIntfForPV ();
+    virtual ~chanIntfForPV ();
     class casCoreClient & client () const;
     virtual void casChannelDestroyNotify ( bool immediateUninstall ) = 0;
     void installMonitor ( casPVI & pv, casMonitor & mon );

src/cas/io/bsdSocket/casStreamIO.cc

@@ -182,7 +182,7 @@ casStreamIO::osdRecv ( char * pInBuf, bufSizeT nBytes, // X aCC 361
 void casStreamIO::forceDisconnect ()
 {
 	if ( ! this->sockHasBeenClosed ) {
-        this->sockHasBeenClosed;
+        this->sockHasBeenClosed = true;
         int status = ::shutdown ( this->sock, SD_BOTH );
         if ( status ) {
             errlogPrintf ("CAC TCP socket shutdown error was %s\n",