ndb - fix abort of scan when in WAIT_AI_SCAN state

ndb/src/kernel/blocks/dblqh/DblqhMain.cpp:
  Make sure to release all resources when aborting scan
    in state WAIT_AI_SCAN

ndb/src/kernel/blocks/dblqh/DblqhMain.cpp

@@ -7320,6 +7320,8 @@ void Dblqh::closeScanRequestLab(Signal* signal)
     scanptr.p->m_curr_batch_size_rows = 0;
     scanptr.p->m_curr_batch_size_bytes= 0;
     sendScanFragConf(signal, ZTRUE);
+    abort_scan(signal, scanptr.i, 0);
+    return;
     break;
   case TcConnectionrec::SCAN_TUPKEY:
   case TcConnectionrec::SCAN_FIRST_STOPPED:
@@ -7711,6 +7713,9 @@ void Dblqh::abort_scan(Signal* signal, Uint32 scan_ptr_i, Uint32 errcode){
   tcConnectptr.p->transactionState = TcConnectionrec::IDLE;
   tcConnectptr.p->abortState = TcConnectionrec::ABORT_ACTIVE;
 
+  if(errcode)
+  {
+    jam();
     ScanFragRef * ref = (ScanFragRef*)&signal->theData[0];
     ref->senderData = tcConnectptr.p->clientConnectrec;
     ref->transId1 = tcConnectptr.p->transid[0];
@@ -7718,6 +7723,7 @@ void Dblqh::abort_scan(Signal* signal, Uint32 scan_ptr_i, Uint32 errcode){
     ref->errorCode = errcode;
     sendSignal(tcConnectptr.p->clientBlockref, GSN_SCAN_FRAGREF, signal, 
 	       ScanFragRef::SignalLength, JBB);
+  }
   deleteTransidHash(signal);
   releaseOprec(signal);
   releaseTcrec(signal, tcConnectptr);