Update for changes to styleguide

Author: errm

Gemfile

@@ -1,4 +1,4 @@
 source "https://rubygems.org"
 
-gem "fluentd", "0.12.31"
+gem "fluentd", "0.12.43"
 gemspec

fluent-plugin-systemd.gemspec

@@ -1,6 +1,4 @@
-# -*- encoding: utf-8 -*-
-
-lib = File.expand_path("../lib", __FILE__)
+lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
@@ -20,8 +18,8 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake"
-  spec.add_development_dependency "test-unit", "~> 2.5"
   spec.add_development_dependency "reevoocop"
+  spec.add_development_dependency "test-unit", "~> 2.5"
 
   spec.add_runtime_dependency "fluentd", "~> 0.12"
   spec.add_runtime_dependency "systemd-journal", "~> 1.2"

lib/fluent/plugin/in_systemd.rb

@@ -70,7 +70,7 @@ def run
       watch do |entry|
         begin
           router.emit(@tag, entry.realtime_timestamp.to_i, formatted(entry))
-        rescue => e
+        rescue => e # rubocop:disable Style/RescueStandardError
           log.error("Exception emitting record: #{e}")
         end
       end

lib/fluent/plugin/systemd/pos_writer.rb

@@ -26,8 +26,8 @@ def shutdown
         write_pos
       end
 
-      def update(c)
-        @lock.synchronize { @cursor = c }
+      def update(cursor)
+        @lock.synchronize { @cursor = cursor }
       end
 
       private