I was getting a NoMethodError when rescanning a file in the lib directory.

    NoMethodError: undefined method `process_library' for #<Brakeman::Rescanner:0x10a8f5380>
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:77:in `rescan_file'
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:50:in `rescan'
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:47:in `each'
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:47:in `rescan'
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:46:in `each'
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:46:in `rescan'
    /Users/neilm/workspace/brakeman/lib/brakeman/rescanner.rb:22:in `recheck'
    /Users/neilm/workspace/brakeman/lib/brakeman.rb:291:in `rescan'
    /usr/local/rvm/gems/ree-1.8.7-2011.12/gems/guard-brakeman-0.3.1/lib/guard/brakeman.rb:73:in `run_on_change'

lib/brakeman/rescanner.rb

@@ -74,7 +74,7 @@ class Brakeman::Rescanner < Brakeman::Scanner
     when :model
       rescan_model path
     when :lib
-      process_library path
+      process_lib path
     when :config
       process_config
     when :initializer