Fix struct/class mismatch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108642 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Splitter.h b/lib/CodeGen/Splitter.h
index f253ee7..2b0645d 100644
--- a/lib/CodeGen/Splitter.h
+++ b/lib/CodeGen/Splitter.h
@@ -23,7 +23,7 @@
 
   class LiveInterval;
   class LiveIntervals;
-  class LiveRange;
+  struct LiveRange;
   class LoopSplit;
   class MachineDominatorTree;
   class MachineRegisterInfo;