[cvs-nhc98] patch applied (hat): Don' t crash when encountering a (non-H' 98) instance declaration like

Fri Jun 4 07:09:27 PDT 2004 malcolm * Don't crash when encountering a (non-H'98) instance declaration like instance C (T Int) where ... i.e. datatype T has concrete types instead of variables. M ./src/compiler98/Rename.hs -4 +4 M ./src/compiler98/SyntaxUtil.hs -1 +3