Merge pull request #368 from yahonda/address_warnings

Address Ruby warnings

Author: dhh

app/models/solid_queue/record.rb

@@ -4,7 +4,7 @@ module SolidQueue
   class Record < ActiveRecord::Base
     self.abstract_class = true
 
-    connects_to **SolidQueue.connects_to if SolidQueue.connects_to
+    connects_to(**SolidQueue.connects_to) if SolidQueue.connects_to
 
     def self.non_blocking_lock
       if SolidQueue.use_skip_locked

lib/solid_queue/supervisor/pidfile.rb

@@ -29,7 +29,7 @@ def check_status
         else
           FileUtils.mkdir_p File.dirname(path)
         end
-      rescue Errno::ESRCH => e
+      rescue Errno::ESRCH
         # Process is dead, ignore, just delete the file
         delete
       rescue Errno::EPERM