fixed code example checks

Author: g-r-a-n-t

docs/validate_doc_examples.py

@@ -20,6 +20,7 @@
 # TRY TO KEEP THIS LIST SHORT
 SKIP_LIST = [
     'release_notes.md_0.fe',
+    'release_notes.md_6.fe',
     'sequence_types_in_memory.md_0.fe',
     'to_mem_function.md_0.fe',
     'visibility_and_privacy.md_0.fe',