Fix syntax (w/Rubocop) in Guardfile

Guardfile

@@ -43,15 +43,15 @@
 guard :rspec do # , :cli => "--drb" do
   watch(%r{^spec/.+_spec\.rb$})
   watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
-  watch('spec/spec_helper.rb')  { "spec" }
+  watch('spec/spec_helper.rb')  { 'spec' }
 
   # Rails example
   watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
   watch(%r{^app/(.*)(\.erb|\.haml)$})                 { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
   watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
-  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
-  watch('config/routes.rb')                           { "spec/routing" }
-  watch('app/controllers/application_controller.rb')  { "spec/controllers" }
+  watch(%r{^spec/support/(.+)\.rb$})                  { 'spec' }
+  watch('config/routes.rb')                           { 'spec/routing' }
+  watch('app/controllers/application_controller.rb')  { 'spec/controllers' }
 
   # Capybara request specs
   watch(%r{^app/views/(.+)/.*\.(erb|haml)$})          { |m| "spec/requests/#{m[1]}_spec.rb" }
@@ -67,14 +67,14 @@ end
 #   watch(%r{^features/step_definitions/(.+)_steps\.rb$}) { |m| Dir[File.join("**/#{m[1]}.feature")][0] || 'features' }
 # end
 
-guard :test, :all_on_start => false, :all_after_pass => false do # , :drb => true do
+guard :test, all_on_start: false, all_after_pass: false do # , :drb => true do
   watch(%r{^lib/(.+)\.rb$})     { |m| "test/#{m[1]}_test.rb" }
   watch(%r{^test/.+_test\.rb$})
-  watch('test/test_helper.rb')  { "test" }
+  watch('test/test_helper.rb')  { 'test' }
 
   # Rails example
   watch(%r{^app/models/(.+)\.rb$})                   { |m| "test/unit/#{m[1]}_test.rb" }
   watch(%r{^app/controllers/(.+)\.rb$})              { |m| "test/functional/#{m[1]}_test.rb" }
-  watch(%r{^app/views/.+\.rb$})                      { "test/integration" }
-  watch('app/controllers/application_controller.rb') { ["test/functional", "test/integration"] }
+  watch(%r{^app/views/.+\.rb$})                      { 'test/integration' }
+  watch('app/controllers/application_controller.rb') { ['test/functional', 'test/integration'] }
 end