Use raw_ostream throughout the AsmPrinter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55092 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/Alpha.h b/lib/Target/Alpha/Alpha.h
index d69d1b7..f62270d 100644
--- a/lib/Target/Alpha/Alpha.h
+++ b/lib/Target/Alpha/Alpha.h
@@ -23,9 +23,10 @@
   class FunctionPass;
   class TargetMachine;
   class MachineCodeEmitter;
+  class raw_ostream;
 
   FunctionPass *createAlphaISelDag(AlphaTargetMachine &TM);
-  FunctionPass *createAlphaCodePrinterPass(std::ostream &OS,
+  FunctionPass *createAlphaCodePrinterPass(raw_ostream &OS,
                                              TargetMachine &TM);
   FunctionPass *createAlphaPatternInstructionSelector(TargetMachine &TM);
   FunctionPass *createAlphaCodeEmitterPass(AlphaTargetMachine &TM,