Use raw_ostream throughout the AsmPrinter.

llvm-svn: 55092
diff --git a/llvm/lib/Target/Mips/MipsTargetMachine.cpp b/llvm/lib/Target/Mips/MipsTargetMachine.cpp
index bc2f281..b24e498 100644
--- a/llvm/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/llvm/lib/Target/Mips/MipsTargetMachine.cpp
@@ -117,7 +117,7 @@
 // true if AssemblyEmitter is supported
 bool MipsTargetMachine::
 addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
-                   std::ostream &Out) 
+                   raw_ostream &Out) 
 {
   // Output assembly language.
   PM.add(createMipsCodePrinterPass(Out, *this));