BBPquickdesc could return NULL, so check for it. Found by Coverity.
BBPquickdesc could return NULL, so check for it.
Found by Coverity.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb