[BUGFIX] Fix ssh_known_hosts condition

recipes/default.rb

@@ -343,9 +343,10 @@ end
 
 node['typo3_site']['sync_directories'].each do |sync_data|
 	# don't fix this. This must look exactly like this! Foodcritic is not correct here!
-	ssh_known_hosts_entry sync_data['hostname'] do
-		port sync_data['port']
-		only_if { sync_data['hostname'] }
+	if sync_data['hostname']
+		ssh_known_hosts_entry sync_data['hostname'] do
+			port sync_data['port']
+		end
 	end
 
 	bash "Synchronize #{sync_data['local']}" do