Removing defines, even obsolete ones that haven't been used for a very
long time, still break a lot of applications.
Bug: https://github.com/bagder/curl/pull/106
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
the obsolete stuff removed! */
-/* Previously obsoletes error codes re-used in 7.24.0 */
+/* Previously obsolete error code re-used in 7.38.0 */
+#define CURLE_OBSOLETE16 CURLE_HTTP2
+
+/* Previously obsolete error codes re-used in 7.24.0 */
#define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
#define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT