libidn: Update to version 1.41

libidn: Update to version 1.41

- Update from version 1.38 to 1.41
- Update of rootfile
- Changelog
    * Noteworthy changes in release 1.41 (2022-06-25) [stable]
	** Bump LT_REVISION for new release.
	It was mistakenly left at the same value since 1.38.
	** Add version number related self-checks.
    * Noteworthy changes in release 1.40 (2022-06-20) [stable]
	** lib: Bump STRINGPREP_VERSION to 1.40.
	It was mistakenly left at 1.38 in the 1.39 release.
    * Noteworthy changes in release 1.39 (2022-06-20) [stable]
	** lib: Code detecting current locale broken since 1.36.
	The code always returned ASCII.  The precise cause is complicated to
	track down but likely boils down to the new autotools/gettext
	bootstrapping sequence introduced in release 1.36.  Reported by Богдан
	Пилипенко <bogdan.pylypenko107@gmail.com>.
	** maint: Java JAR archive no longer included in source tarball.
	** Minor fixes: typos, makefiles, indentation, gnulib update, etc.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>