automatically linked into every binary. explicitely link it into needed
packages (kismet, nmap, samba) and add dependencies.
idea and patch from sven-ola, thx. Saves 16 kb in the default squashfs
images.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2817 3c298f89-4303-0410-b956-a3cf2f4a3e73