Docs: add crossref

[exim.git] / src / OS / unsupported / os.h-DragonFly

diff --git a/src/OS/unsupported/os.h-DragonFly b/src/OS/unsupported/os.h-DragonFly
index 4c2f1d508b6ac79cc058d4d36297293038d778fe..122957f8da8bee2802fb6da296e4f0d5b2f7e54c 100644 (file)
--- a/src/OS/unsupported/os.h-DragonFly
+++ b/src/OS/unsupported/os.h-DragonFly
@@ -1,4 +1,5 @@
 /* Exim: OS-specific C header file for DragonFly */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define HAVE_BSD_GETLOADAVG
 #define HAVE_MMAP