Docs: add crossref

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

diff --git a/src/OS/unsupported/os.h-OpenUNIX b/src/OS/unsupported/os.h-OpenUNIX
index 67d1063b0851d841bde5750ce5db55a7ee0c9289..e8fae863ae8fcd0cea57ff549dff3452a3e4698e 100644 (file)
--- a/src/OS/unsupported/os.h-OpenUNIX
+++ b/src/OS/unsupported/os.h-OpenUNIX
@@ -1,4 +1,5 @@
 /* Exim: OS-specific C header file for OpenUNIX */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define NO_SYSEXITS