Unbreak VC++ build.

llvm-svn: 34917
diff --git a/llvm/tools/llvm-nm/llvm-nm.cpp b/llvm/tools/llvm-nm/llvm-nm.cpp
index 49f662d..bad001e 100644
--- a/llvm/tools/llvm-nm/llvm-nm.cpp
+++ b/llvm/tools/llvm-nm/llvm-nm.cpp
@@ -22,6 +22,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/System/Signals.h"
+#include <algorithm>
 #include <cctype>
 #include <cerrno>
 #include <cstring>