Fix single 'aud' claim without 'azp'
Fix single 'aud' claim without 'azp'

Closes: #66

Signed-off-by: Patrick Uiterwijk <cbb7353e6d953ef360baf960c122346276c6e320@puiterwijk.org>

SteelPangolin/flask-oidc,puiterwijk/flask-oidc