Add explicit symbol versioning for attr_copy_action

As all symbols that are part of public interface are expected
to be properly versioned, add versioning to attr_copy_action.

1 files changed, 5 insertions, 0 deletions

diff --git a/exports b/exports
index 6b6ca17..253dbbf 100644
--- a/exports
+++ b/exports
@@ -55,3 +55,8 @@ ATTR_1.2 {
 	attr_list;
 	attr_listf;
 } ATTR_1.1;
+
+ATTR_1.3 {
+    global:
+	attr_copy_action;
+} ATTR_1.2;