[cvs-nhc98] Fixed stupid bug in mkTHidden.

olaf: Mon Nov 26 17:19:01 CET 2001 Update of /usr/src/master/nhc/src/prelude/Hat In directory hinken:/tmp/cvs-serv11010/src/prelude/Hat Modified Files: Hat.hs hat.c Log Message: Fixed stupid bug in mkTHidden. The wrong variable was returned (an uninitialised one). Also added unsafeIOTrace to Hat.hs for future debugging.