fix the bug in deleting XLink::params

source/tensor/XLink.cpp

@@ -114,7 +114,7 @@ void XLink::ClearOutgoing(XTensor * node)
     outgo.ClearTail();
     outgo.typeID = 0;
     outgo.type[0] = 0;
-    delete[] outgo.params;
+    delete[] (char*)outgo.params;
     outgo.params = NULL;
 }
 
@@ -154,7 +154,7 @@ void XLink::ClearIncoming(XTensor * node)
     income.ClearTail();
     income.typeID = 0;
     income.type[0] = 0;
-    delete[] income.params;
+    delete[] (char*)income.params;
     income.params = NULL;
 }