Downcase the service name for consistency

HD Moore · HD Moore · commit 338cce02c99f · 2014-12-12T16:40:42.000-06:00
diff --git a/modules/auxiliary/scanner/kademlia/server_info.rb b/modules/auxiliary/scanner/kademlia/server_info.rb
@@ -88,7 +88,7 @@ def scanner_postscan(_batch)
         host: host,
         proto: 'udp',
         port: rport,
-        name: 'Kademlia',
+        name: 'kademlia',
         info: info
       )
     end
