Fix comment for consistency sake.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80993 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PHIElimination.h b/lib/CodeGen/PHIElimination.h
index b06435f..3d02dfd 100644
--- a/lib/CodeGen/PHIElimination.h
+++ b/lib/CodeGen/PHIElimination.h
@@ -122,4 +122,4 @@
 
 }
 
-#endif /* PHIELIMINATION_H */
+#endif /* LLVM_CODEGEN_PHIELIMINATION_HPP */