Need to add before_fork to the helpers

Author: scotttam

lib/resque/helpers.rb

@@ -6,6 +6,11 @@ def redis
       Resque.redis
     end
 
+    #Direct access to the before_fork proc
+    def before_fork
+      Resque.before_fork  
+    end
+ 
     # Given a Ruby object, returns a string suitable for storage in a
     # queue.
     def encode(object)

lib/resque/worker.rb

@@ -207,7 +207,7 @@ def startup
       enable_gc_optimizations
       register_signal_handlers
       prune_dead_workers
-      before_fork
+      call_before_fork
       register_worker
     end
 
@@ -313,8 +313,8 @@ def register_worker
     end
 
     #Call any before_fork procs, if any
-    def before_fork
-      @@before_fork.call if Worker.class_variable_defined?(:@@before_fork)
+    def call_before_fork
+      before_fork.call if before_fork
     end
 
     # Unregisters ourself as a worker. Useful when shutting down.