commit dce9dda: [Minor] Fix logging

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-08-17 09:10:24 +0100
URL: https://github.com/rspamd/rspamd/commit/dce9dda76266bc2627e9cb5fe6b5ac46a28d2cd2 (HEAD -> master)

[Minor] Fix logging

---
 src/plugins/lua/settings.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/plugins/lua/settings.lua b/src/plugins/lua/settings.lua
index 237ed41be..e28473b5b 100644
--- a/src/plugins/lua/settings.lua
+++ b/src/plugins/lua/settings.lua
@@ -105,8 +105,10 @@ local function check_query_settings(task)
     local parser = ucl.parser()
     local res,err = parser:parse_string(tostring(query_set))
     if res then
-      rspamd_logger.warnx(task, "both settings-id '%s' and settings headers are presented, ignore settings-id; ",
-          tostring(settings_id))
+      if settings_id then
+        rspamd_logger.warnx(task, "both settings-id '%s' and settings headers are presented, ignore settings-id; ",
+            tostring(settings_id))
+      end
       local settings_obj = parser:get_object()
       apply_settings(task, settings_obj, nil)