execution flows will use the same DH primes (currently
exim.dev.20160529.3).
-JH/25 OpenSSL: Fix beck-compatibiility behaviour surrounding tls_certificates
+JH/25 OpenSSL: Fix back-compatibiility behaviour surrounding tls_certificates
option in smtp transport, to match the documentation. Previously
verification was not being done in some cases where it should have been.
open_db dbblock;
open_db *dbm_file = NULL;
-/* Open the callout cache database, it it exists, for reading only at this
+/* Open the callout cache database, if it exists, for reading only at this
stage, unless caching has been disabled. */
if (options & vopt_callout_no_cache)