init: Do not include apt ourselves.

Using `include apt` causes problems. If someone in the catalogue does an
`class { 'apt: }` and we come after it with `include apt` this will
work. However if the order is reversed we'll get a duplicate resource
definition.

Closes #12

1 files changed, 3 insertions, 0 deletions

diff --git a/spec/classes/unattended_upgrades_spec.rb b/spec/classes/unattended_upgrades_spec.rb
index 28feaa7..fa8d1b1 100644
--- a/spec/classes/unattended_upgrades_spec.rb
+++ b/spec/classes/unattended_upgrades_spec.rb
@@ -9,6 +9,9 @@ describe 'unattended_upgrades' do
     :lsbistcodename => 'wheezy',
     :lsbrelease => '7.0.3',
   } }
+  let(:pre_condition) {
+    'include ::apt'
+  }
 
   context 'with defaults on Debian' do
     it { should contain_package('unattended-upgrades') }