[update] trying to silence warnings

These warnings were showing on gitlab ci.

$ bundle exec rake test
/usr/local/bin/ruby -w -Ilib:test -I/builds/leap/nickserver/vendor/ruby/2.1.0/gems/rake-11.2.2/lib /builds/leap/nickserver/vendor/ruby/2.1.0/gems/rake-11.2.2/lib/rake/rake_test_loader.rb test/**/*_test.rb
/usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.12.5/lib/bundler/rubygems_integration.rb:468: warning: method redefined; discarding old find_spec_for_exe
/usr/local/lib/ruby/site_ruby/2.1.0/rubygems.rb:261: warning: previous definition of find_spec_for_exe was here
I, [2016-08-26T15:34:46.162843 #325]  INFO -- : Celluloid 0.17.3 is running in BACKPORTED mode. [ http://git.io/vJf3J ]
/builds/leap/nickserver/test/unit/request_handler_test.rb:28: warning: mismatched indentations at 'end' with 'def' at 21
/builds/leap/nickserver/vendor/ruby/2.1.0/gems/celluloid-io-0.17.3/lib/celluloid/io/ssl_socket.rb:22: warning: instance variable @npn_protocols not initialized
/builds/leap/nickserver/vendor/ruby/2.1.0/gems/celluloid-io-0.17.3/lib/celluloid/io/ssl_socket.rb:22: warning: instance variable @npn_select_cb not initialized
Run options: --seed 61653

# Running:

.................../builds/leap/nickserver/vendor/ruby/2.1.0/gems/celluloid-io-0.17.3/lib/celluloid/io/ssl_socket.rb:22: warning: instance variable @npn_protocols not initialized
/builds/leap/nickserver/vendor/ruby/2.1.0/gems/celluloid-io-0.17.3/lib/celluloid/io/ssl_socket.rb:22: warning: instance variable @npn_select_cb not initialized
.../builds/leap/nickserver/vendor/ruby/2.1.0/gems/celluloid-io-0.17.3/lib/celluloid/io/ssl_socket.rb:22: warning: instance variable @npn_protocols not initialized
/builds/leap/nickserver/vendor/ruby/2.1.0/gems/celluloid-io-0.17.3/lib/celluloid/io/ssl_socket.rb:22: warning: instance variable @npn_select_cb not initialized
.................

Finished in 2.029982s, 19.2120 runs/s, 10.8375 assertions/s.

2 files changed, 4 insertions, 2 deletions

diff --git a/lib/nickserver/adapters/celluloid_http.rb b/lib/nickserver/adapters/celluloid_http.rb
index d326b8a..44b6fe8 100644
--- a/lib/nickserver/adapters/celluloid_http.rb
+++ b/lib/nickserver/adapters/celluloid_http.rb
@@ -6,7 +6,9 @@ require 'http'
 
 module Nickserver::Adapters
   class CelluloidHttp
-    include Celluloid::IO
+    silence_warnings do
+      include Celluloid::IO
+    end
 
     def get(url, options = {})
       response = HTTP.get url,
diff --git a/test/unit/request_handler_test.rb b/test/unit/request_handler_test.rb
index 420e74b..6c7a036 100644
--- a/test/unit/request_handler_test.rb
+++ b/test/unit/request_handler_test.rb
@@ -25,7 +25,7 @@ class Nickserver::RequestHandlerTest < Minitest::Test
     Nickserver::Hkp::Source.stub :new, source do
       assert_response status: 200, content: "200 fake content"
     end
-   end
+  end
 
   def test_fingerprint_to_short
     handle fingerprint: ['44F2F455E28']