faf.spec.in: Add missing byte-compiled files

Fallout from 591bcf3.

Author: ernestask

faf.spec.in

@@ -791,6 +791,7 @@ fi
 %{python3_sitelib}/pyfaf/utils/__pycache__/decorators.*.pyc
 %{python3_sitelib}/pyfaf/utils/__pycache__/format.*.pyc
 %{python3_sitelib}/pyfaf/utils/__pycache__/hash.*.pyc
+%{python3_sitelib}/pyfaf/utils/__pycache__/json.*.pyc
 %{python3_sitelib}/pyfaf/utils/__pycache__/parse.*.pyc
 %{python3_sitelib}/pyfaf/utils/__pycache__/proc.*.pyc
 %{python3_sitelib}/pyfaf/utils/__pycache__/storage.*.pyc