[c++] Adding missing include of algorithm in example

Co-authored-by: Sumit Bhardwaj <subhardw@microsoft.com>

examples/cpp/core/move_semantics/move_semantics.cpp

@@ -1,6 +1,7 @@
 #include "move_semantics_reflection.h"
 
 #include <stdlib.h>
+#include <algorithm>
 
 using namespace examples::move_semantics;