Minor clean up.

llvm-svn: 25543
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
index e9c41c2..71bf3cc 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
@@ -202,11 +202,12 @@
 
   virtual ~ScheduleDAGSimple() {};
 
+  void Schedule();
+
 private:
   static bool isDefiner(NodeInfo *A, NodeInfo *B);
   void IncludeNode(NodeInfo *NI);
   void VisitAll();
-  void Schedule();
   void GatherSchedulingInfo();
   void FakeGroupDominators(); 
   bool isStrongDependency(NodeInfo *A, NodeInfo *B);