Add CHANGES entry

4935.   [func]          Add support for LibreSSL >= 2.7.0 (some OpenSSL 1.1.0
                        call were added). [GL #191]

(cherry picked from commit 30488ddd)
7 jobs for 191-add-LibreSSL-2.7-support-v9_12 in 7 minutes and 25 seconds (queued for 4 seconds)