Improve compatibility with aCC on HPUX.  Patch by Duraid Madina


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19585 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Bytecode/Analyzer.h b/include/llvm/Bytecode/Analyzer.h
index 041f35a..325da8c 100644
--- a/include/llvm/Bytecode/Analyzer.h
+++ b/include/llvm/Bytecode/Analyzer.h
@@ -22,6 +22,7 @@
 #include "llvm/Bytecode/Format.h"
 #include <string>
 #include <map>
+#include <iostream>
 
 namespace llvm {