return nil on 404 in hkp source

This way the other RequestHandlers can give it a try.
If none handles it we'll get a 404 anyway. But maybe there's
been an exception before so a 502 should be send.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/nickserver/hkp/source.rb b/lib/nickserver/hkp/source.rb
index e104aa8..82c94a0 100644
--- a/lib/nickserver/hkp/source.rb
+++ b/lib/nickserver/hkp/source.rb
@@ -19,7 +19,7 @@ module Nickserver; module Hkp
       if status == 200
         best = pick_best_key(response)
         get_key_by_fingerprint(best.keyid, nick)
-      else
+      elsif status != 404    # 404 means no key found and we proceed
         Nickserver::Response.new(status, response)
       end
     end