[mod_rayo] Enable -fno-common compilation
-diff --git a/src/mod/event_handlers/mod_rayo/iks_helpers.h b/src/mod/event_handlers/mod_rayo/iks_helpers.h
-index e221abe390..b98dbf5be6 100644
--- a/src/mod/event_handlers/mod_rayo/iks_helpers.h
+++ b/src/mod/event_handlers/mod_rayo/iks_helpers.h
@@ -51,8 +51,7 @@ struct xmpp_error {