* strip trailing whitespaces


git-svn-id: file:///var/svn/freetz/trunk@12624 149334a1-2f27-0410-a3b9-fc62619ac1e6
 * introduce new target {{{$(pkg)-distclean}}} - automatically invokes {{{$(pkg)-dirclean}}}, {{{$(pkg)-clean}}} and {{{$(pkg)-uninstall}}}
 * refs #2021


git-svn-id: file:///var/svn/freetz/trunk@12625 149334a1-2f27-0410-a3b9-fc62619ac1e6