lib-sieve: Fixed transaction context passed to finish() method of act…

…ion object in two cases.

This is not currently used anywhere, so nothing actually broke.
This bug was exposed by the previous commit, causing a compiler error/warning on some compilers.

src/lib-sieve/sieve-result.c

@@ -1054,7 +1054,7 @@ static int _sieve_result_implicit_keep
 	/* Finish keep action */
 	if ( act_keep.def->finish != NULL ) {
 		act_keep.def->finish
-			(&act_keep, aenv, &rac->tr_context, status);
+			(&act_keep, aenv, tr_context, status);
 	}
 
 	return status;
@@ -1366,7 +1366,7 @@ static void sieve_result_transaction_finish
 
 		if ( act->def->finish != NULL ) {
 			act->def->finish
-				(act, &result->action_env, &rac->tr_context, status);
+				(act, &result->action_env, rac->tr_context, status);
 		}
 
 		rac = rac->next;