Be const correct

llvm-svn: 826
diff --git a/llvm/lib/Target/Sparc/SparcInternals.h b/llvm/lib/Target/Sparc/SparcInternals.h
index 2a1875e..ca02d21 100644
--- a/llvm/lib/Target/Sparc/SparcInternals.h
+++ b/llvm/lib/Target/Sparc/SparcInternals.h
@@ -1082,7 +1082,7 @@
   // module. The specified module must have been compiled before this may be
   // used.
   //
-  virtual void emitAssembly(const Module *M, ostream &OutStr);
+  virtual void emitAssembly(const Module *M, ostream &OutStr) const;
 };