MNevada

Results 2 issues of MNevada

![image](https://user-images.githubusercontent.com/35281066/53235748-8ccdbd80-36cd-11e9-9cdb-7a18a1d115bf.png)

if (Successor_Node->Right_child) { Successor_Node->Father_Node->Left_child = Successor_Node->Right_child; Successor_Node->Right_child->Father_Node = Successor_Node->Father_Node; }这段代码应该放到前面,因为Successor_Node->Right_child在紧接着的前面刚刚修改过