Fix boolean that always returned true for selinux fact

Facter returns 'false' if selinux is not enabled.
Puppet evaluates it as true as it is not empty.

Change-Id: I2f1d9a348fd981292aeef177b57f08e1b7ef2732
Closes-bug: #1328547
(cherry picked from commit 6d35b1e)

Author: David Moreau Simard

manifests/storage/mount.pp

@@ -62,7 +62,7 @@
   # would be possible as context is. But, as there already is
   # chown command we'll just restorecon on selinux enabled
   # systems :(
-  if ($::selinux) {
+  if ($::selinux == 'true') {
     exec { "restorecon_mount_${name}":
       command     => "restorecon ${mnt_base_dir}/${name}",
       path        => ['/usr/sbin', '/bin'],

spec/defines/swift_storage_mount_spec.rb

@@ -48,7 +48,7 @@
 
     let :facts do
       {
-        :selinux => true,
+        :selinux => 'true',
       }
     end