accept second argument in Search#respond_to?

See http://ruby-doc.org/core-1.9.3/Object.html#method-i-respond_to-3F

lib/ransack/search.rb

@@ -72,7 +72,7 @@ module Ransack
       Nodes::Sort.new(@context).build(opts)
     end
 
-    def respond_to?(method_id)
+    def respond_to?(method_id, include_private=false)
       super or begin
         method_name = method_id.to_s
         writer = method_name.sub!(/\=$/, '')
@@ -118,4 +118,4 @@ module Ransack
     end
 
   end
-end
+end

spec/ransack/search_spec.rb

@@ -240,5 +240,11 @@ module Ransack
       end
     end
 
+    describe '#respond_to' do
+      it 'is aware of second argument' do
+        Search.new(Person).respond_to?(:name_eq, true).should be
+      end
+    end
+
   end
 end