Merge branch feature/morten.ofstad/FixOptionalHeader with refs/heads/master...

Merge branch feature/morten.ofstad/FixOptionalHeader with refs/heads/master into refs/merge-requests/390/train

src/OpenVDS/OpenVDS/Optional.h

@@ -42,7 +42,7 @@ struct optional
 
 #if __cplusplus >=201703L
 
-  optional(const std::optional& opt) : m_Value(opt.has_value() ? opt.value() : value_type()), m_HasValue(opt.has_value())
+  optional(const std::optional<value_type>& opt) : m_Value(opt.has_value() ? opt.value() : value_type()), m_HasValue(opt.has_value())
   {
   }