fping: Update to version 5.1

fping: Update to version 5.1

- Update from version 5.0 to 5.1
- Update of rootfile not required
- Changelog
fping 5.1 (2022-02-06)
    ## Bugfixes and other changes
	- Use setcap to specify specific files in fping.spec (#232, thanks @zdyxry)
	- Netdata: use host instead name as family label (#226, thanks @k0ste)
	- Netdata: use formatstring macro PRId64 (#229, thanks @gsnw)
	- Allow -4 option to be given multiple times (#215, thanks @normanr)
	- Documentation fix (#208, thanks @timgates42)
	- Retain privileges until after privileged setsockopt (#200, thanks @simetnicbr)
	- Set bind to source only when option is set (#198, thanks @dinoex)
	- Update Azure test pipeline (#197, thanks @gsnw)
	- Fix getnameinfo not called properly for IPv4 (#227, thanks @aafbsd)
	- Fixed wrong timestamp under Free- and OpenBSD and macOS (#217, thanks @gsnw)
	- Documentation updates (#240, thanks @auerswal)
	- Updated autotools (autoconf 2.71, automake 1.16.5, libtool 2.4.6)

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>