Unbreak VC++ build.

llvm-svn: 34917
diff --git a/llvm/lib/Transforms/IPO/RaiseAllocations.cpp b/llvm/lib/Transforms/IPO/RaiseAllocations.cpp
index aeb4173..ce6db56 100644
--- a/llvm/lib/Transforms/IPO/RaiseAllocations.cpp
+++ b/llvm/lib/Transforms/IPO/RaiseAllocations.cpp
@@ -22,6 +22,7 @@
 #include "llvm/Support/CallSite.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/ADT/Statistic.h"
+#include <algorithm>
 using namespace llvm;
 
 STATISTIC(NumRaised, "Number of allocations raised");