This update for vsftpd fixes the following issues:

- No longer start/stop parameterized systemd units, which led to a confusing "failed to
try-restart" error. (bsc#1093179, bsc#1010177)
- Disable the default setting for rsa_cert_file. The upstream configuration initializes
that value to "/usr/share/ssl/certs/vsftpd.pem" and vsftpd won't start up if that file
does not exist (or if it does not contain a RSA certificate). Therefore, users who copy
a DSA certificate to that location or properly configure a DSA certificate via
dsa_cert_file without explicitly disabling the RSA certificate won't be able to start
vsftpd. (bsc#975538)
- Mention the new 'address_space_limit' option in the installed vsftpd.conf manpage. (bsc#1075060)

This update was imported from the SUSE:SLE-12:Update update project.