clean up ref use

myirc/include/ref.hpp

@@ -25,14 +25,14 @@ template <> struct RefTraits<EVP_PKEY_CTX> {
 };
 
 template <typename T>
-struct FnDeleter {
+struct RefDeleter {
     auto operator()(T *ptr) const -> void { RefTraits<T>::Free(ptr); }
 };
 
 template <typename T>
-struct Ref : std::unique_ptr<T, FnDeleter<T>>
+struct Ref : std::unique_ptr<T, RefDeleter<T>>
 {
-    using base = std::unique_ptr<T, FnDeleter<T>>;
+    using base = std::unique_ptr<T, RefDeleter<T>>;
 
     /// Owns nothing
     Ref() noexcept = default;