* busybox: change sed expression to get only one word (refs #2283)


git-svn-id: file:///var/svn/freetz/trunk@11363 149334a1-2f27-0410-a3b9-fc62619ac1e6
 * busybox: test symbol defined or undefined before adding as undefined (closes #2283)


git-svn-id: file:///var/svn/freetz/trunk@11364 149334a1-2f27-0410-a3b9-fc62619ac1e6