New rkhunter v1.4.2

A new version of rkhunter has been released:
http://sourceforge.net/projects/rkhunter/files/rkhunter/1.4.2/

Upgrade using:

cd /usr/src/
wget http://prdownloads.sourceforge.net/rkhunter/rkhunter-1.4.2.tar.gz
tar -xzf rkhunter*
cd rkhunter-*
./installer.sh --layout default --install