Version 0.33.0 is available upstream. Please consider updating! It seems that version 0.33.0 is available upstream, while the latest version in the Gentoo tree is 0.32.4. You think this warning is false? Read more about it here.
Neon is an HTTP and WebDAV client library for Unix systems, with a C
language API. It provides high-level interfaces to HTTP/1.1 and WebDAV
methods, and a low-level interface to HTTP request/response handling,
allowing new methods to be easily implemented.