match.rb in jls-grok-0.4.4

- old
+ new

@@ -19,9 +19,15 @@
   layout :grok, :pointer,
          :subject, :string,
          :start, :int,
          :end, :int
 
+  # Placeholder for the FFI::MemoryPointer that we pass to
+  # grok_execn() during Grok#match; this should prevent ruby from
+  # garbage collecting us until the GrokMatch goes out of scope.
+  # http://code.google.com/p/logstash/issues/detail?id=47
+  attr_accessor :subject_memorypointer
+
   public
   def initialize
     super
 
     @captures = nil