fixed two bug.

inc/hgl/type/DataStackPool.h

@@ -36,7 +36,7 @@ namespace hgl
 
             end=data_array+max_count;
 
-            series.Init(max_count);
+            return series.Init(max_count);
         }
 
         ~DataStackPool()

src/Type/DataChain.cpp

@@ -26,6 +26,8 @@ namespace hgl
         start->next=nullptr;
         start->start=0;
         start->count=max_count;
+
+        return(true);
     }
 
     DataChain::UserNode *DataChain::Acquire(const int acquire_count)