run in loop

ndb/test/ndbapi/slow_select.cpp

@@ -41,6 +41,7 @@ main(void){
 
   require(g_ndb.waitUntilReady() == 0);
 
+  while(true){
     g_trans = g_ndb.startTransaction();
     require(g_trans);
   
@@ -188,6 +189,8 @@ main(void){
     for(i = 0; i<cnt; i++){
       ndbout_c("%s : %d", g_scans[i].m_table, g_scans[i].row_count);
     }
+    g_trans->close();
+  }
 }
 
 static