revert to better error log
diff --git a/skeletons/converter-sample.c b/skeletons/converter-sample.c
index 7a61eef..6740943 100644
--- a/skeletons/converter-sample.c
+++ b/skeletons/converter-sample.c
@@ -385,7 +385,7 @@
         char *name = argument_to_name(av, ac_i);
         int first_pdu;
 
-        for(first_pdu = 1; file && (first_pdu || !opt_onepdu); first_pdu = 0) {
+        for(first_pdu = 1; (first_pdu || !opt_onepdu); first_pdu = 0) {
             /*
              * Decode the encoded structure from file.
              */