iotop: Update to version 1.26

iotop: Update to version 1.26

- Update from version 1.22 to 1.26
- Update of rootfile not required
- Changelog
    1.26
	Add clock in upper right corner
    1.25

	Fix bug when iotop busy loops after pressing ESC key
	Change the condition of displaying processes in only mode
    1.24

	Fix a bug with graphs in ASCII mode
	Show the status of the configuration in the help window
	Support ancient compilers by @bbonev in #52
    1.23

	Changes by @bbonev in #43
	Fix some issues reported by lintian by @debian-janitor in #42
	Revert syscall count stuff by @bbonev in #44
	Fix empty archlinux package by @bokunodev in #46

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