Lewis Francis has released a new version of MacNikto, which incorporates Nikto 2.1.1 and a few other fixes/updates. In case you're not familiar the program, it is a Mac OS X (universal binary) GUI for running Nikto without touching the command line:
The goal of MacNikto is to make Nikto's basic web server scanning and reporting more accessible by providing an easy to use interface. Tool tips are provided for many of the interface elements to help you recall their function or dependencies.
You can download a dmg installer or the source code from here.