options.rb in dalli-0.11.2

- old
+ new

@@ -1,6 +1,7 @@
 require 'thread'
+require 'monitor'
 
 module Dalli
 
   # Make Dalli threadsafe by using a lock around all
   # public server methods.
@@ -38,6 +39,6 @@
     def lock
       @lock ||= Monitor.new
     end
 
   end
-end
\ No newline at end of file
+end