Qualify dwarf namespace inside llvm namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26409 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 3f28832..d08e777 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -26,7 +26,7 @@
 #include <iostream>
 
 using namespace llvm;
-using namespace dwarf;
+using namespace llvm::dwarf;
 
 static cl::opt<bool>
 DwarfVerbose("dwarf-verbose", cl::Hidden,