* src/url.c [HAVE_ICONV]: Include iconv.h and langinfo.h.
(convert_fname): New function.
[HAVE_ICONV]: Convert file name from remote encoding to local
encoding.
(url_file_name): Call convert_fname.
(filechr_table): Don't consider bytes in 128..159 as control
characters.
* tests/Test-ftp-iri.px: Fix the expected file name to match the
new file-name recoding. State the remote encoding explicitly on
the Wget command line.
* NEWS: Mention the URI recoding when built with libiconv.
