Update to use 'LLVM_*' macro names for attributes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117201 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index 51289b2..270c9e1 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -84,10 +84,10 @@
       else StmtVisitor<StmtPrinter>::Visit(S);
     }
     
-    void VisitStmt(Stmt *Node) ATTRIBUTE_UNUSED {
+    void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
       Indent() << "<<unknown stmt type>>\n";
     }
-    void VisitExpr(Expr *Node) ATTRIBUTE_UNUSED {
+    void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
       OS << "<<unknown expr type>>";
     }
     void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);