memory leak for redirection case

src/dnode/src/dnodeMPeer.c

@@ -113,6 +113,7 @@ void dnodeFreeMnodePqueue() {
 void dnodeDispatchToMnodePeerQueue(SRpcMsg *pMsg) {
   if (!mnodeIsRunning() || tsMPeerQueue == NULL) {
     dnodeSendRedirectMsg(pMsg, false);
+    rpcFreeCont(pMsg->pCont);
     return;
   }
 

src/dnode/src/dnodeMRead.c

@@ -116,6 +116,7 @@ void dnodeFreeMnodeRqueue() {
 void dnodeDispatchToMnodeReadQueue(SRpcMsg *pMsg) {
   if (!mnodeIsRunning() || tsMReadQueue == NULL) {
     dnodeSendRedirectMsg(pMsg, true);
+    rpcFreeCont(pMsg->pCont);
     return;
   }
 

src/dnode/src/dnodeMWrite.c

@@ -115,6 +115,7 @@ void dnodeFreeMnodeWqueue() {
 void dnodeDispatchToMnodeWriteQueue(SRpcMsg *pMsg) {
   if (!mnodeIsRunning() || tsMWriteQueue == NULL) {
     dnodeSendRedirectMsg(pMsg, true);
+    rpcFreeCont(pMsg->pCont);
     return;
   }