[packages/docker] provide docker(engine) for docker-compose

[glen]

commit 8672584efd7fa1dfecf0bccc27638e203d46422b
Author: Elan Ruusamäe <glen at pld-linux.org>
Date:   Fri Jun 9 23:35:08 2017 +0300

    provide docker(engine) for docker-compose
    
    docker-compose could pick between docker, docker-ce, docker-ee(?), moby(?) packages

 docker.spec | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/docker.spec b/docker.spec
index 2d487e6..9fd0eb2 100644
--- a/docker.spec
+++ b/docker.spec
@@ -17,7 +17,7 @@
 Summary:	Docker: the open-source application container engine
 Name:		docker
 Version:	1.13.1
-Release:	1
+Release:	2
 License:	Apache v2.0
 Group:		Applications/System
 # https://github.com/docker/docker/releases
@@ -59,6 +59,7 @@ Suggests:	docker-credential-helpers
 Suggests:	git-core >= 1.7
 Suggests:	libcgroup
 Suggests:	xz >= 1:4.9
+Provides:	docker(engine) = %{version}
 Provides:	group(docker)
 Obsoletes:	lxc-docker < 1.1.1
 # only runs on x64 hosts for now:
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/docker.git/commitdiff/8672584efd7fa1dfecf0bccc27638e203d46422b