Adjust to ilist changes.

llvm-svn: 19923
diff --git a/llvm/lib/VMCore/BasicBlock.cpp b/llvm/lib/VMCore/BasicBlock.cpp
index 25507ce..78753a5 100644
--- a/llvm/lib/VMCore/BasicBlock.cpp
+++ b/llvm/lib/VMCore/BasicBlock.cpp
@@ -48,7 +48,7 @@
   };
 }
 
-Instruction *ilist_traits<Instruction>::createNode() {
+Instruction *ilist_traits<Instruction>::createSentinal() {
   return new DummyInst();
 }
 iplist<Instruction> &ilist_traits<Instruction>::getList(BasicBlock *BB) {