Fix compile error for std::nothrow (#1560)

Fix C2039, and C2065

tests/Utilities/ConnEx/ConnEx.cpp

@@ -7,6 +7,7 @@
 #define WIN32_LEAN_AND_MEAN
 #include <Windows.h>
 #include <stdio.h>
+#include <new>
 
 #include <k4ainternal/logging.h>