update fedora 23 to include sssd-client (https://fedorahosted.org/spin-kickstarts/ticket/53)

library/fedora

@@ -1,7 +1,7 @@
 # maintainer: Adam Miller <[email protected]> (@maxamillion)
 
-latest: git://github.com/fedora-cloud/docker-brew-fedora@acf772012c8b797298e0c223faf572925232d7e9
-23: git://github.com/fedora-cloud/docker-brew-fedora@acf772012c8b797298e0c223faf572925232d7e9
+latest: git://github.com/fedora-cloud/docker-brew-fedora@db18a22ed1747dab659aa5a31b4ec577dba55af4
+23: git://github.com/fedora-cloud/docker-brew-fedora@db18a22ed1747dab659aa5a31b4ec577dba55af4
 22: git://github.com/fedora-cloud/docker-brew-fedora@e5a0a567230ca8350d2be9b100604858fc898c0b
 21: git://github.com/fedora-cloud/docker-brew-fedora@e32493b9601c3535cd6e0d0a8ff61d8fa95afb83
 rawhide: git://github.com/fedora-cloud/docker-brew-fedora@7dc7792e087787d4787855ae1e303bcd498eb619