Tune rubocop Style/WordArray

[smortex]

Originally posted by @smortex in #15 (comment)

https://docs.rubocop.org/rubocop/cops_style.html#stylewordarray

Suggested change:

Style/WordArray:
  EnforcedStyle: brackets

[smortex]

LGTM:

diff --git a/spec/classes/init_spec.rb b/spec/classes/init_spec.rb
index 3fd82bb..43a971a 100644
--- a/spec/classes/init_spec.rb
+++ b/spec/classes/init_spec.rb
@@ -113,7 +113,7 @@ describe 'syslog_ng' do
   context 'When asked to use additional module' do
     let(:params) do
       {
-        modules: %w[foo bar baz]
+        modules: ['foo', 'bar', 'baz']
       }
     end
 
diff --git a/spec/functions/generate_statement_spec.rb b/spec/functions/generate_statement_spec.rb
index 7e9c47c..5687024 100644
--- a/spec/functions/generate_statement_spec.rb
+++ b/spec/functions/generate_statement_spec.rb
@@ -159,7 +159,7 @@ describe 'generate_statement' do
         {
           'type' => 'syslog',
           'options' => [
-            { 'flags' => %w[no-multi-line no-parse] },
+            { 'flags' => ['no-multi-line', 'no-parse'] },
             { 'ip' => ["'10.65.0.5'"] },
             { 'keep-alive' => ['yes'] },
             { 'keep_hostname' => ['yes'] },
diff --git a/spec/unit/facter/syslog_ng_version_spec.rb b/spec/unit/facter/syslog_ng_version_spec.rb
index f5f22f1..dbde2c5 100644
--- a/spec/unit/facter/syslog_ng_version_spec.rb
+++ b/spec/unit/facter/syslog_ng_version_spec.rb
@@ -27,7 +27,7 @@ describe Facter::Util::Fact do
         'Installer-Version' => '3.7.1',
         'Revision' => '',
         'Compile-Date' => 'Aug 17 2015 14:25:00',
-        'Available-Modules' => %w[afamqp basicfuncs linux-kmsg-format csvparser system-source sdjournal afsmtp afmongodb mod-java riemann afsocket cryptofuncs trigger-source afstomp lua confgen rust rss afuser affile afsql dbparser tfgetent geoip-plugin graphite pseudofile mod-perl kvformat grok-parser json-plugin afprog basicfuncs-plus monitor-source syslogformat mod-python date-parser],
+        'Available-Modules' => ['afamqp', 'basicfuncs', 'linux-kmsg-format', 'csvparser', 'system-source', 'sdjournal', 'afsmtp', 'afmongodb', 'mod-java', 'riemann', 'afsocket', 'cryptofuncs', 'trigger-source', 'afstomp', 'lua', 'confgen', 'rust', 'rss', 'afuser', 'affile', 'afsql', 'dbparser', 'tfgetent', 'geoip-plugin', 'graphite', 'pseudofile', 'mod-perl', 'kvformat', 'grok-parser', 'json-plugin', 'afprog', 'basicfuncs-plus', 'monitor-source', 'syslogformat', 'mod-python', 'date-parser'],
         'Enable-Debug' => 'off',
         'Enable-GProf' => 'off',
         'Enable-Memtrace' => 'off',