Add files to windows project files.  Also include <algorithm> explicitly so that vstudio build works

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46013 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 7851b32..14b2b80 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Streams.h"
 #include <set>
+#include <algorithm>
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//