changes to make it compatible with 64bit gcc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2789 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Writer.cpp b/lib/Analysis/Writer.cpp
index 3624dd1..88561ca 100644
--- a/lib/Analysis/Writer.cpp
+++ b/lib/Analysis/Writer.cpp
@@ -14,6 +14,7 @@
 #include <iterator>
 #include <algorithm>
 #include <string>
+#include <iostream>
 using std::ostream;
 using std::set;
 using std::vector;