fixed bug in rel_case_fixup, no longer rewrite inplace.
fixed bug in rel_case_fixup, no longer rewrite inplace.

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