Added info on change to HISTORY of SSL_CTX_set_msg_callback() #27

Job	Run time
run-checker (no-cmp)	8m 25s
run-checker (no-cms)	8m 30s
run-checker (no-dgram)	7m 0s
run-checker (no-dh)	9m 30s
run-checker (no-dtls)	11m 33s
run-checker (no-ec)	7m 49s
run-checker (no-ec2m)	8m 38s
run-checker (no-ecx)	10m 59s
run-checker (no-http)	8m 33s
run-checker (no-legacy)	10m 59s
run-checker (no-sock)	6m 53s
run-checker (enable-ssl-trace)	8m 31s
run-checker (no-threads)	7m 12s
run-checker (no-thread-pool)	9m 55s
run-checker (no-default-thread-pool)	8m 36s
run-checker (no-tls)	6m 45s
run-checker (no-tls1_2)	8m 16s
run-checker (no-tls1_3)	7m 1s
run-checker (enable-trace enable-fips)	9m 25s
run-checker (no-ui)	9m 51s
run-checker (no-quic)	10m 1s
	3h 4m 22s

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