Fix build error on sparc, patch from John D. Baker (thanks)

Should fix PR pkg/60225

Author: hauke

net/netatalk4/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.35 2026/05/14 16:41:48 ryoon Exp $
+# $NetBSD: Makefile,v 1.36 2026/06/11 07:49:11 hauke Exp $
 
 GITHUB_PROJECT=	netatalk
 GITHUB_TAG=	refs/tags/${DISTNAME}
@@ -176,6 +176,7 @@ BUILDLINK_API_DEPENDS.libevent+=        libevent>=2
 .include "../../textproc/cmark-gfm/buildlink3.mk"
 .include "../../mk/bdb.buildlink3.mk"
 .include "../../mk/pthread.buildlink3.mk"
+.include "../../mk/atomic64.mk"
 
 .include "../../devel/meson/build.mk"
 .include "../../mk/bsd.pkg.mk"