* setup.c (cleanup): Inverse order of deletion stands a better chance of

* setup.c (cleanup): Inverse order of deletion stands a better chance of
deleting cygpath.exe.  Still seems to suffer from occasional races, though.
(cleanup_on_signal): Perform convoluted dance to accomodate win95 and w2k.
(output_file): Defend against an unlikely handle leak.
(main): Don't set up signal handling until we have something special to do.