Update CHANGELOG: debootstrap version 1.0.56

git-svn-id: file:///var/svn/freetz/trunk@11613 149334a1-2f27-0410-a3b9-fc62619ac1e6
Makefile: Fix typo 

git-svn-id: file:///var/svn/freetz/trunk@11614 149334a1-2f27-0410-a3b9-fc62619ac1e6