include fowardable and make sure we only rescue IOError in

TemporaryFile#size

Author: ph

lib/logstash/outputs/s3/temporary_file.rb

@@ -36,7 +36,7 @@ def size
           # if the file is close we will use the File::size
           begin
             @fd.size
-          rescue
+          rescue IOError
             ::File.size(path)
           end
         end

lib/logstash/outputs/s3/temporary_file_factory.rb

@@ -3,6 +3,7 @@
 require "securerandom"
 require "fileutils"
 require "zlib"
+require "forwardable"
 
 module LogStash
   module Outputs