Fix lint warnings about ensure placement

cairo/manifests/init.pp

@@ -3,12 +3,12 @@
 class cairo {
 
     package { "cairo":
+        ensure => installed,
         name   => $::operatingsystem ? {
             debian  => "libcairo2",
             ubuntu  => "libcairo2",
             default => "cairo",
         },
-        ensure => installed,
     }
 
 }
@@ -19,12 +19,12 @@ class cairo {
 class cairo::python inherits cairo {
 
     package { "pycairo":
+        ensure => installed,
         name   => $::operatingsystem ? {
             debian  => "python-cairo",
             ubuntu  => "python-cairo",
             default => "pycairo",
         },
-        ensure => installed,
     }
 
 }