This file uses stable_sort

llvm-svn: 7831
diff --git a/llvm/lib/Support/Statistic.cpp b/llvm/lib/Support/Statistic.cpp
index 5c7cf63..ae9f57f 100644
--- a/llvm/lib/Support/Statistic.cpp
+++ b/llvm/lib/Support/Statistic.cpp
@@ -18,6 +18,7 @@
 #include "Support/CommandLine.h"
 #include <sstream>
 #include <iostream>
+#include <algorithm>
 
 // GetLibSupportInfoOutputFile - Return a file stream to print our output on...
 std::ostream *GetLibSupportInfoOutputFile();