Adapt build for cd-local-uuid PR 2

A follow-on patch will regenerate Make-managed files.

References:
* Cyber-Domain-Ontology/CDO-Utility-Local-UUID#2

Signed-off-by: Alex Nelson <alexander.nelson@nist.gov>

Author: ajnelson-nist

Makefile

@@ -71,7 +71,7 @@ all: \
 case.jsonld: \
   .venv.done.log \
   $(example_source_files)
-	export CASE_DEMO_NONRANDOM_UUID_BASE="$(top_srcdir)" \
+	export CDO_DEMO_NONRANDOM_UUID_BASE="$(top_srcdir)" \
 	  && source venv/bin/activate \
 	    && poetry run python example.py \
 	      > _$@