Fix edit error

Broken-by: 2b2cfa838f

diff --git a/src/src/arc.c b/src/src/arc.c
index 52c1c76..8a94015 100644 (file)
--- a/src/src/arc.c
+++ b/src/src/arc.c
@@ -7,6 +7,7 @@
 */
 
 #include "exim.h"
+#if defined EXPERIMENTAL_ARC
 # if defined DISABLE_DKIM
 #  error DKIM must also be enabled for ARC
 # else