more compliance stufff


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-ar/llvm-ar.cpp b/tools/llvm-ar/llvm-ar.cpp
index 09efeca..00dcc39 100644
--- a/tools/llvm-ar/llvm-ar.cpp
+++ b/tools/llvm-ar/llvm-ar.cpp
@@ -20,6 +20,7 @@
 #include <iostream>
 #include <algorithm>
 #include <iomanip>
+#include <memory>
 
 using namespace llvm;