Use a seperate section for each nested struct member in INIT macro

src/libcharon/processing/jobs/inactivity_job.c

@@ -136,9 +136,11 @@ inactivity_job_t *inactivity_job_create(u_int32_t reqid, u_int32_t timeout,
 	private_inactivity_job_t *this;
 
 	INIT(this,
-		.public.job_interface = {
-			.execute = _execute,
-			.destroy = _destroy,
+		.public = {
+				.job_interface = {
+				.execute = _execute,
+				.destroy = _destroy,
+			},
 		},
 		.reqid = reqid,
 		.timeout = timeout,