Fix saving of SRW query for show. Bug introduced by previous commit so no official YAZ release was affected.
Fix saving of SRW query for show. Bug introduced by previous commit so
no official YAZ release was affected.

nla/yaz,dcrossleyau/yaz,dcrossleyau/yaz,nla/yaz,nla/yaz,nla/yaz,dcrossleyau/yaz