[CodeGen] Fix inconsistent declaration parameter name

llvm-svn: 337200
diff --git a/llvm/lib/CodeGen/MachineLICM.cpp b/llvm/lib/CodeGen/MachineLICM.cpp
index e2d9200..7332b71 100644
--- a/llvm/lib/CodeGen/MachineLICM.cpp
+++ b/llvm/lib/CodeGen/MachineLICM.cpp
@@ -216,7 +216,7 @@
         DenseMap<MachineDomTreeNode *, unsigned> &OpenChildren,
         DenseMap<MachineDomTreeNode *, MachineDomTreeNode *> &ParentMap);
 
-    void HoistOutOfLoop(MachineDomTreeNode *LoopHeaderNode);
+    void HoistOutOfLoop(MachineDomTreeNode *HeaderN);
 
     void HoistRegion(MachineDomTreeNode *N, bool IsHeader);