Ruby plugins: apply style changes as suggested by "rubocop --fix-layout"

plugins/router/d-link-dir-655-router-statistics-plugin

@@ -31,7 +31,6 @@ require 'mechanize'
 require 'digest/md5'
 require 'nokogiri'
 
-
 def output
   nics = Hash.new
   nics["LAN"] = Hash.new
@@ -80,7 +79,7 @@ def output
   j = 0
   doc = Nokogiri::XML(clients_xml.to_s)
   doc.xpath('//assoc').each do |assoc|
-    j+=1
+    j += 1
   end
   puts "wifi_assoc.value " + j.to_s
 
@@ -89,7 +88,7 @@ def output
   j = 0
   doc = Nokogiri::XML(clients_xml.to_s)
   doc.xpath('//client').each do |client|
-    j+=1
+    j += 1
   end
   puts "dhcp_clients.value " + j.to_s
 
@@ -98,31 +97,31 @@ def output
   clients_xml = agent.get("#{router_path}/wan_connection_status.xml").body
   doc = Nokogiri::XML(clients_xml.to_s)
   uptime = doc.children.search('wan_interface_up_time_0')[0].text
-  puts "uptime.value " + sprintf( "%.2f", (Float(uptime)/86400) )
+  puts "uptime.value " + sprintf("%.2f", (Float(uptime) / 86400))
 
   # graph overall interface packets transferred per interval
   puts "multigraph if_packets"
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "#{i}_recv.value " + nics[i]["packets_received"]
     puts "#{i}_send.value " + nics[i]["packets_sent"]
   end
 
   # graph overall interface dropped packets per interval
   puts "multigraph if_drop"
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "#{i}_recv.value " + nics[i]["rx_dropped"]
     puts "#{i}_send.value " + nics[i]["tx_dropped"]
   end
 
   # graph overall interface collisions & errors per interval
   puts "multigraph if_collerr"
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "#{i}_coll.value " + nics[i]["tx_collisions"]
     puts "#{i}_err.value " + nics[i]["rx_errors"]
   end
 
   # graph stats for each interface
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "multigraph if_packets.#{i}"
     puts "send.value " + nics[i]["packets_sent"]
     puts "recv.value " + nics[i]["packets_received"]
@@ -135,7 +134,6 @@ def output
   end
 end
 
-
 def config
   # build the configuration for graphs
   puts "multigraph if_packets"
@@ -143,7 +141,7 @@ def config
   puts 'graph_category network'
   puts 'graph_order LAN_recv LAN_send WAN_recv WAN_send WLAN_recv WLAN_send'
   puts 'graph_vlabel packets in (-) / out (+) per ${graph_period}'
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "#{i}_recv.type DERIVE"
     puts "#{i}_recv.graph no"
     puts "#{i}_recv.min 0"
@@ -158,7 +156,7 @@ def config
   puts 'graph_category network'
   puts 'graph_order LAN_recv LAN_send WAN_recv WAN_send WLAN_recv WLAN_send'
   puts 'graph_vlabel packets / ${graph_period}'
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "#{i}_recv.type DERIVE"
     puts "#{i}_recv.graph no"
     puts "#{i}_recv.min 0"
@@ -173,7 +171,7 @@ def config
   puts 'graph_category network'
   puts 'graph_order LAN_coll LAN_err WAN_coll WAN_err WLAN_coll WLAN_coll'
   puts 'graph_vlabel packets / ${graph_period}'
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "#{i}_coll.label #{i} collisions"
     puts "#{i}_coll.type DERIVE"
     puts "#{i}_coll.min 0"
@@ -201,7 +199,7 @@ def config
   puts 'uptime.label uptime'
   puts 'uptime.draw AREA'
 
-  for i in [ "LAN", "WAN", "WLAN" ] do
+  for i in ["LAN", "WAN", "WLAN"] do
     puts "multigraph if_packets.#{i}"
     puts "graph_title D-Link DIR-655 #{i} traffic"
     puts 'graph_category network'
@@ -244,7 +242,6 @@ def config
   end
 end
 
-
 # main
 if ARGV.length == 1 and ARGV[0] == 'config'
   config()