Fix typo in response status code
Fix typo in response status code

This patch fixes a typo error in response status code of
api-ref/source/quota-sets.inc

TrivialFix

Change-Id: I691c80b99b7d86278259fddff59d6aaf26d7bdd5

openstack/manila,bswartz/manila,vponomaryov/manila,bswartz/manila,vponomaryov/manila,NetApp/manila,openstack/manila,NetApp/manila