Fix endless recursion in std::string_view writer: the write() should use std::string, not std::string_view again (#219)

Author: dmikushin

include/rfl/parsing/Parser_string_view.hpp

@@ -31,7 +31,7 @@ struct Parser<R, W, std::string_view, ProcessorsType> {
   template <class P>
   static void write(const W& _w, const std::string_view& _str,
                     const P& _p) noexcept {
-    Parser<R, W, std::string_view, ProcessorsType>::write(_w, std::string(_str),
+    Parser<R, W, std::string, ProcessorsType>::write(_w, std::string(_str),
                                                           _p);
   }