[gnome-keysign] discover: fix mispelled message variable

[Tobias Mueller <tobiasmue src gnome org>]

commit 23cae0794f19f25227ad62f8f5c62daf71fbb7fa
Author: RyuzakiKK <aasonykk gmail com>
Date:   Tue Jun 26 20:40:54 2018 +0200

    discover: fix mispelled message variable
    
    This caused an "Unhandled error in Deferred" when we were unable to
    download a valid key.

 keysign/discover.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/keysign/discover.py b/keysign/discover.py
index 3d22764..0b291bd 100644
--- a/keysign/discover.py
+++ b/keysign/discover.py
@@ -78,8 +78,8 @@ class Discover:
                 key_data = None
                 log.warning("Neither key_data nor btcode. Weird")
 
-        log.debug("Returning key: %r, succes: %r, message: %r",
-            key_data, success, messages)
+        log.debug("Returning key: %r, success: %r, message: %r",
+                  key_data, success, message)
         returnValue((key_data, success, message))