* restore some of our at* dietlibc additions


git-svn-id: https://svn.exactcode.de/t2/trunk@42898 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc
	* fixed net-tools for latest linux-header


git-svn-id: https://svn.exactcode.de/t2/trunk@42899 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc
	* updated iptables (1.4.17 -> 1.4.21)


git-svn-id: https://svn.exactcode.de/t2/trunk@42900 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc