Old versions of GCC doesn't have <ostream> :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6661 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
index 18ebcd4..098816a 100644
--- a/utils/TableGen/CodeEmitterGen.h
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -7,7 +7,7 @@
 #define CODEMITTERGEN_H
 
 #include "Record.h"
-#include <ostream>
+#include <iostream>
 
 struct CodeEmitterGen {
   RecordKeeper &Records;