[CodeGen] Fix inconsistent declaration parameter name

llvm-svn: 337200
diff --git a/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp b/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp
index 37c4a47..ff2085a 100644
--- a/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp
+++ b/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp
@@ -61,7 +61,7 @@
     }
 
 
-    std::string getNodeLabel(const SUnit *Node, const ScheduleDAG *Graph);
+    std::string getNodeLabel(const SUnit *SU, const ScheduleDAG *Graph);
     static std::string getNodeAttributes(const SUnit *N,
                                          const ScheduleDAG *Graph) {
       return "shape=Mrecord";