Add explicit #includes of <iostream>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25509 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/ToolRunner.cpp b/lib/Support/ToolRunner.cpp
index 6480c23..a9b68de 100644
--- a/lib/Support/ToolRunner.cpp
+++ b/lib/Support/ToolRunner.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Support/FileUtilities.h"
 #include <fstream>
 #include <sstream>
+#include <iostream>
 using namespace llvm;
 
 ToolExecutionError::~ToolExecutionError() throw() { }