* include/cygwin/config.h: Move Cygwin-specific build flags from newlib's sys/config.h here. Add a comment.
* cygwin.din: Export fts_children, fts_close, fts_get_clientptr, fts_get_stream, fts_open, fts_read, fts_set, fts_set_clientptr, ftw, nftw. * fts.c: New file, imported from FreeBSD. * ftw.c: Ditto. * nftw.c: Ditto. * include/fts.h: Ditto. * include/ftw.h: Ditto. * include/cygwin/version.h: Bump API minor number.