Display the current directory in unicode

rename function Print_in_window_utf16() to Print_in_window_unicode()

src/factory.c

@@ -2009,7 +2009,7 @@ int L_Run(lua_State* L)
     return luaL_error(L, "run: too many nested calls (100)");
     
   // store the current directory (on the stack)
-  Get_current_directory(saved_directory,MAX_PATH_CHARACTERS);
+  Get_current_directory(saved_directory, NULL, MAX_PATH_CHARACTERS);
 
   #if defined (__AROS__)
   // Convert path written on Linux/Windows norms to AROS norms :