Updated nginx.

library/nginx

@@ -1,6 +1,6 @@
 # maintainer: NGINX Docker Maintainers <[email protected]> (@nginxinc)
 
-latest: git://github.com/nginxinc/docker-nginx@2d9dbca5d2a916b90227863bb8f1a6458e5083c5
-1: git://github.com/nginxinc/docker-nginx@2d9dbca5d2a916b90227863bb8f1a6458e5083c5
-1.9: git://github.com/nginxinc/docker-nginx@2d9dbca5d2a916b90227863bb8f1a6458e5083c5
-1.9.0: git://github.com/nginxinc/docker-nginx@2d9dbca5d2a916b90227863bb8f1a6458e5083c5
+latest: git://github.com/nginxinc/docker-nginx@6ef443bc3e04a584955cbe960c70fc2e8b7a0156
+1: git://github.com/nginxinc/docker-nginx@6ef443bc3e04a584955cbe960c70fc2e8b7a0156
+1.9: git://github.com/nginxinc/docker-nginx@6ef443bc3e04a584955cbe960c70fc2e8b7a0156
+1.9.1: git://github.com/nginxinc/docker-nginx@6ef443bc3e04a584955cbe960c70fc2e8b7a0156