Bug 2164868

Description of problem:
sieve script breaks when updating from 3.4 to 3.6:

Jan 26 11:51:06 [localhost] master[3445355]: about to exec /usr/libexec/cyrus-imapd/timsieved
Jan 26 11:51:06 [localhost] master[3445367]: about to exec /usr/libexec/cyrus-imapd/timsieved
Jan 26 11:51:06 [localhost] sieve[3445355]: Option 'tls_ca_file' is deprecated in favor of 'tls_client_ca_file' since version 2.5.0.
Jan 26 11:51:06 [localhost] sieve[3445355]: Option 'tls_cert_file' is deprecated in favor of 'tls_server_cert' since version 2.5.0.
Jan 26 11:51:06 [localhost] sieve[3445355]: Option 'tls_key_file' is deprecated in favor of 'tls_server_key' since version 2.5.0.
Jan 26 11:51:06 [localhost] sieve[3445355]: SQL backend defaulting to engine 'mysql'
Jan 26 11:51:06 [localhost] sieve[3445355]: zoneinfo_dir is unset, libical will find its own timezone data
Jan 26 11:51:06 [localhost] sieve[3445355]: ical_support_init: found 419 timezones
Jan 26 11:51:06 [localhost] sieve[3445355]: executed
Jan 26 11:51:06 [localhost] sieve[3445367]: Option 'tls_ca_file' is deprecated in favor of 'tls_client_ca_file' since version 2.5.0.
Jan 26 11:51:06 [localhost] sieve[3445367]: Option 'tls_cert_file' is deprecated in favor of 'tls_server_cert' since version 2.5.0.
Jan 26 11:51:06 [localhost] sieve[3445367]: Option 'tls_key_file' is deprecated in favor of 'tls_server_key' since version 2.5.0.
Jan 26 11:51:06 [localhost] sieve[3445367]: SQL backend defaulting to engine 'mysql'
Jan 26 11:51:06 [localhost] sieve[3445367]: zoneinfo_dir is unset, libical will find its own timezone data
Jan 26 11:51:06 [localhost] sieve[3445367]: ical_support_init: found 419 timezones
Jan 26 11:51:06 [localhost] sieve[3445367]: executed
Jan 26 11:58:44 [localhost] lmtpunix[3445356]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 11:58:44 [localhost] lmtpunix[3445356]: WARNING: sieve script doesn't exist: fname=<es) in 0.230 sec> syserror=<No such file or directory> func=<sieve_script_load>
Jan 26 12:01:27 [localhost] lmtpunix[3445893]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 12:01:27 [localhost] lmtpunix[3445893]: WARNING: sieve script doesn't exist: fname=<> syserror=<No such file or directory> func=<sieve_script_load>
Jan 26 12:08:49 [localhost] lmtpunix[3446405]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 12:08:49 [localhost] lmtpunix[3446405]: WARNING: sieve script doesn't exist: fname=<> syserror=<No such file or directory> func=<sieve_script_load>
Jan 26 13:01:35 [localhost] lmtpunix[3446895]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 13:01:35 [localhost] lmtpunix[3446895]: WARNING: sieve script doesn't exist: fname=<> syserror=<No such file or directory> func=<sieve_script_load>
Jan 26 13:03:59 [localhost] lmtpunix[3451174]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 13:03:59 [localhost] lmtpunix[3451174]: WARNING: sieve script doesn't exist: fname=<> syserror=<No such file or directory> func=<sieve_script_load>
Jan 26 13:04:05 [localhost] lmtpunix[3451386]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 13:04:05 [localhost] lmtpunix[3451386]: WARNING: sieve script doesn't exist: fname=<> syserror=<No such file or directory> func=<sieve_script_load>
Jan 26 13:09:04 [localhost] lmtpunix[3451884]: IOERROR: failed to read active script link: link=</var/lib/imap/sieve/d/dhill/defaultbc> syserror=<Invalid argument> func=<sievedir_get_active>
Jan 26 13:09:04 [localhost] lmtpunix[3451884]: WARNING: sieve script doesn't exist: fname=<> syserror=<No such file or directory> func=<sieve_script_load>


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
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Actual results:
Failure

Expected results:
No failures

Additional info: