configure: Make sure MYSQL_LIBS has -lmysqlclient even if it's not explicitly found.
configure: Make sure MYSQL_LIBS has -lmysqlclient even if it's not explicitly found.

jwm/dovecot-notmuch,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch