Linting.

manifests/builder.pp

@@ -98,12 +98,12 @@ class tails::builder (
     lens    => 'Shellvars.lns',
     incl    => '/etc/live/build.conf',
     changes => [
-      "rm LB_MIRROR_BOOTSTRAP",
-      "rm LB_PARENT_MIRROR_BOOTSTRAP",
-      "rm LB_MIRROR_CHROOT",
-      "rm LB_PARENT_MIRROR_CHROOT",
-      "rm LB_MIRROR_BINARY",
-      "rm LB_PARENT_MIRROR_BINARY",
+      'rm LB_MIRROR_BOOTSTRAP',
+      'rm LB_PARENT_MIRROR_BOOTSTRAP',
+      'rm LB_MIRROR_CHROOT',
+      'rm LB_PARENT_MIRROR_CHROOT',
+      'rm LB_MIRROR_BINARY',
+      'rm LB_PARENT_MIRROR_BINARY',
     ],
     require => File['/etc/live/build.conf'],
   }