Jonathan Rosser 190f0d8d9f Update memcached_servers regex to match one or more chars
Previously this matched zero or more, and on debian buster systems this
generates the following, which breaks keystone.

memcached_servers: "172.29.237.133:11211:11211"

Change-Id: Ic4bfb03c11ea79c0e0c9adf3e3d2443c3f5c0154
2019-10-09 17:46:32 +01:00
..
2019-08-07 13:05:05 -04:00
2019-07-22 22:22:48 +01:00