RBGuileBridge.swift(guile_handle_key): Only output key name in DEBUG.

Author: toothbrush

Spotiqueue/Classes/RBGuileBridge.swift

@@ -192,11 +192,13 @@ public func track_to_scm_record(track: RBSpotifyItem) -> SCM {
                                        _scm_false())
 
         if !_scm_is_true(action) {
+#if DEBUG
             scm_simple_format(_scm_true(),
                               scm_from_utf8_string("[keymap=~a] ~a not bound by user.~%"),
                               scm_list_2(
                                 scm_from_utf8_string(map.rawValue.cString(using: .utf8)),
                                 guile_key))
+#endif
             return false
         }