[4.0.x] build fails (module imap) with libcurl 7.29.0

[Chaigneau, Nicolas]

Module imap is trying to use CURLOPT_DEFAULT_PROTOCOL, which was added in libcurl 7.45.0.

See build error below:


CC src/modules/rlm_imap/rlm_imap.c
In file included from /usr/include/curl/curl.h:2223,
                 from src/freeradius-devel/curl/base.h:32,
                 from src/modules/rlm_imap/rlm_imap.c:29:
src/modules/rlm_imap/rlm_imap.c: In function 'mod_authenticate':
src/modules/rlm_imap/rlm_imap.c:150:29: error: 'CURLOPT_DEFAULT_PROTOCOL' undeclared (first use in this function); did you mean 'CURLOPT_REDIR_PROTOCOLS'?
  150 |  FR_CURL_REQUEST_SET_OPTION(CURLOPT_DEFAULT_PROTOCOL, "imap");
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~
src/modules/rlm_imap/rlm_imap.c:150:2: note: in expansion of macro 'FR_CURL_REQUEST_SET_OPTION'
  150 |  FR_CURL_REQUEST_SET_OPTION(CURLOPT_DEFAULT_PROTOCOL, "imap");
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
src/modules/rlm_imap/rlm_imap.c:150:29: note: each undeclared identifier is reported only once for each function it appears in
  150 |  FR_CURL_REQUEST_SET_OPTION(CURLOPT_DEFAULT_PROTOCOL, "imap");
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~
src/modules/rlm_imap/rlm_imap.c:150:2: note: in expansion of macro 'FR_CURL_REQUEST_SET_OPTION'
  150 |  FR_CURL_REQUEST_SET_OPTION(CURLOPT_DEFAULT_PROTOCOL, "imap");
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
make[1]: *** [scripts/boiler.mk:704: build/objs/src/modules/rlm_imap/rlm_imap.lo] Error 1

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