stop ignoring formatting problems, start ignoring long long extension problems
diff --git a/skeletons/oer_encoder.c b/skeletons/oer_encoder.c
index 1a691ed..895aed4 100644
--- a/skeletons/oer_encoder.c
+++ b/skeletons/oer_encoder.c
@@ -89,7 +89,7 @@
 
     if(!st) ASN__ENCODE_FAILED;
 
-    ASN_DEBUG("Encoding %s (%zu bytes)", td ? td->name : "", st->size);
+    ASN_DEBUG("Encoding %s (%" ASN_PRI_SIZE " bytes)", td ? td->name : "", st->size);
 
     /*
      * X.696 (08/2015) #27.2