fix linting

Signed-off-by: Martin Schurz <Martin.Schurz@t-systems.com>

Author: schurzi

controls/sshd_spec.rb

@@ -508,12 +508,12 @@
   impact 1.0
   title 'Server: CRYPTO_POLICY'
   desc 'Verifies, that we are not running CRYPTO_POLICY and our settings from sshd_config are effective'
-  if os[:family] == "redhat" && ::Gem::Version.new(os.release) > ::Gem::Version.new('8')
+  if os[:family] == 'redhat' && ::Gem::Version.new(os.release) > ::Gem::Version.new('8')
     describe bash("pgrep -af 'sshd -D'") do
       its('exit_status') { should eq 0 }
       its('stdout') { should_not match('-oCiphers') }
       its('stdout') { should_not match('-oKexAlgorithms') }
       its('stdout') { should_not match('-oHostKeyAlgorithms') }
     end
   end
-end
+end