Split out the DwarfDebug module from the DwarfWriter module.

Again, no intendtional functionality change.

llvm-svn: 71854
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfException.h b/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
index a594401..4479af2 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef DWARFEXCEPTION_H__
-#define DWARFEXCEPTION_H__
+#ifndef CODEGEN_ASMPRINTER_DWARFEXCEPTION_H__
+#define CODEGEN_ASMPRINTER_DWARFEXCEPTION_H__
 
 #include "DIE.h"
 #include "DwarfPrinter.h"