Fix sorting of flagmapping files
Fix sorting of flagmapping files

Change-Id: I77a674e37c7b9e30381d6b48f2812e94fea41a84

savinash47/openstack-doc-tools,savinash47/openstack-doc-tools,savinash47/openstack-doc-tools,openstack/openstack-doc-tools,openstack/openstack-doc-tools