Apply suggestions from code review

Author: jheysel-r7

modules/exploits/linux/http/apache_hugegraph_gremlin_rce.rb

@@ -63,6 +63,7 @@ def check
     if Rex::Version.new(version).between?(Rex::Version.new('1.0.0'), Rex::Version.new('1.3.0'))
       return CheckCode::Appears("Apache HugeGraph version detected: #{version}")
     end
+    
     CheckCode::Safe("Apache HugeGraph version detected: #{version}")
   end