Author: Cameron Ball
MDL-55404 core_upgrade: Add libcurl environment checks
This patch adds logic to test whether or not the
libcurl (used by PHP/cURL) was compiled against a compatible
SSL/TLS library.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ab3759fff5e9d301b039ce94e871df820414ba61
http://github.com/moodle/moodle/commit/ab3759fff5e9d301b039ce94e871df820414ba61
+ 3.2 en [tlswarning,core_admin]