Accepting request 492292 from home:flavio_castelli:branches:Virtualization:containers

- Update golang build requirements to use golang(API) symbol: this is
  needed to solve a conflict between multiple versions of Go being available

OBS-URL: https://build.opensuse.org/request/show/492292
OBS-URL: https://build.opensuse.org/package/show/Virtualization:containers/docker?expand=0&rev=182

docker.spec

@@ -105,9 +105,8 @@ Conflicts:      lxc < 1.0
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 ExcludeArch:    %ix86 s390 ppc
 # Make sure we build with go 1.7
-BuildRequires:  go < 1.8
-BuildRequires:  go >= 1.7
 BuildRequires:  go-go-md2man
+BuildRequires:  golang(API) = 1.7
 
 %description
 Docker complements LXC with a high-level API which operates at the process