Adapt test case for libcurl 7.75.0+

libcurl 7.75.0 finally adds support for `gophers://`, i.e. gopher over
TLS.  The protocol is neither standardized, nor is the protocol
registered with IANA, but well, it is there and the test case should
cater to that.

Author: cmb69

ext/curl/tests/check_win_config.phpt

@@ -48,7 +48,7 @@ PSL => No
 HTTPS_PROXY => Yes
 MULTI_SSL => %s
 BROTLI => %s
-Protocols => dict, file, ftp, ftps, gopher, http, https, imap, imaps, ldap, ldaps, %r(mqtt, )?%rpop3, pop3s, rtsp, scp, sftp, smb, smbs, smtp, smtps, telnet, tftp
+Protocols => dict, file, ftp, ftps, gopher, %r(gophers, )?%rhttp, https, imap, imaps, ldap, ldaps, %r(mqtt, )?%rpop3, pop3s, rtsp, scp, sftp, smb, smbs, smtp, smtps, telnet, tftp
 Host => %s-pc-win32
 SSL Version => OpenSSL/%s
 ZLib Version => %s