Bug#296449: sql auxprop module ignores log_level when used with cyrus

[davide at gavasso.it]

The auxprop sql module does not appear to be respecting log_level when called
via via cyrus.

I'm using

libsasl2                      2.1.22.dfsg1-8
libsasl2-2                    2.1.22.dfsg1-8
libsasl2-modules              2.1.22.dfsg1-8
libsasl2-modules-sql          2.1.22.dfsg1-8
sasl2-bin                     2.1.22.dfsg1-8
cyrus-admin-2.2               2.2.13-10
cyrus-clients-2.2             2.2.13-10
cyrus-common-2.2              2.2.13-10
cyrus-imapd-2.2               2.2.13-10
cyrus-pop3d-2.2               2.2.13-10