Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/ObjectYAML/DWARFYAML.h b/linux-x64/clang/include/llvm/ObjectYAML/DWARFYAML.h
index 2162f0f..705c887 100644
--- a/linux-x64/clang/include/llvm/ObjectYAML/DWARFYAML.h
+++ b/linux-x64/clang/include/llvm/ObjectYAML/DWARFYAML.h
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 ///
 /// \file
-/// \brief This file declares classes for handling the YAML representation
+/// This file declares classes for handling the YAML representation
 /// of DWARF Debug Info.
 ///
 //===----------------------------------------------------------------------===//