busybox: rename dafault_int()

git-svn-id: file:///var/svn/freetz/trunk@10493 149334a1-2f27-0410-a3b9-fc62619ac1e6
busybox: select md5sum by default for modsave

git-svn-id: file:///var/svn/freetz/trunk@10494 149334a1-2f27-0410-a3b9-fc62619ac1e6
modsave: proper return value

git-svn-id: file:///var/svn/freetz/trunk@10495 149334a1-2f27-0410-a3b9-fc62619ac1e6