GNU (<4.2) compilers don't see that type can't be unset before being used.  Help them a bit.
GNU (<4.2) compilers don't see that type can't be unset before being
used.  Help them a bit.

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