trim some spurious references to DwarfWriter. SDIsel really doesn't

need it anymore, so don't addRequire it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100400 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter/DwarfDebug.cpp

@@ -270,6 +270,8 @@ public:
   void dump() const;
 #endif
 };
+  
+} // end llvm namespace
 
 #ifndef NDEBUG
 void DbgScope::dump() const {
@@ -297,8 +299,6 @@ DbgScope::~DbgScope() {
     delete Variables[j];
 }
 
-} // end llvm namespace
-
 DwarfDebug::DwarfDebug(AsmPrinter *A)
   : Asm(A), MMI(Asm->MMI), ModuleCU(0),
     AbbreviationsSet(InitAbbreviationsSetSize),