Move Hex from WinStd to stdex

Signed-off-by: Simon Rozman <simon@rozman.si>

lib/TLS/src/Method.cpp

@@ -9,6 +9,7 @@
 #pragma comment(lib, "Secur32.lib")
 
 using namespace std;
+using namespace stdex;
 using namespace winstd;
 
 

lib/TLS/src/Module.cpp

@@ -7,6 +7,7 @@
 #include "PCH.h"
 
 using namespace std;
+using namespace stdex;
 using namespace winstd;