Merge pull request #193 from yaauie/fix-leak-of-file-handles

Fix leak of file handles that prevents gzip files from being cleaned up

Author: yaauie

lib/logstash/outputs/s3/temporary_file_factory.rb

@@ -100,7 +100,7 @@ class IOWrappedGzip
 
           def initialize(file_io)
             @file_io = file_io
-            @gzip_writer = Zlib::GzipWriter.open(file_io)
+            @gzip_writer = Zlib::GzipWriter.new(file_io)
           end
 
           def path