- move require into register method

lib/logstash/outputs/ganglia.rb

@@ -1,6 +1,5 @@
 require "logstash/outputs/base"
 require "logstash/namespace"
-require "gmetric"
 
 # This output allows you to pull metrics from your logs and ship them to
 # ganglia's gmond. This is heavily based on the graphite output.
@@ -35,7 +34,7 @@ class LogStash::Outputs::Ganglia < LogStash::Outputs::Base
   config :dmax, :validate => :number, :default => 300
 
   def register
-    # No register action required, stateless
+    require "gmetric"
   end # def register
 
   public