A few more Standard C++ Library header cleanups

DirectXMesh/DirectXMeshP.h

@@ -103,6 +103,7 @@
 #include <cstring>
 #include <cwchar>
 #include <map>
+#include <new>
 #include <string>
 #include <unordered_map>
 #include <unordered_set>

Meshconvert/Mesh.cpp

@@ -26,6 +26,7 @@
 #include <cstring>
 #include <cwchar>
 #include <iterator>
+#include <new>
 #include <utility>
 
 #include "SDKMesh.h"

Meshconvert/MeshOBJ.cpp

@@ -24,8 +24,9 @@
 #include "Mesh.h"
 #include "WaveFrontReader.h"
 
-#include <iterator>
 #include <cwchar>
+#include <iterator>
+#include <new>
 
 using namespace DirectX;