Add missing tabulation in a receipe line
Add missing tabulation in a receipe line

Fix for rakudo/rakudo#3313. Was breaking cleanup of outdated files when
upgrading from old releases.

rakudo/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,labster/rakudo,tbrowder/rakudo,tbrowder/rakudo,tbrowder/rakudo,tbrowder/rakudo,tony-o/rakudo,nbrown/rakudo,salortiz/rakudo,salortiz/rakudo,softmoth/rakudo,nbrown/rakudo,labster/rakudo,softmoth/rakudo,MasterDuke17/rakudo,salortiz/rakudo,tony-o/rakudo,salortiz/rakudo,labster/rakudo,rakudo/rakudo,tony-o/rakudo,softmoth/rakudo,MasterDuke17/rakudo,nbrown/rakudo,rakudo/rakudo,MasterDuke17/rakudo,nbrown/rakudo,tbrowder/rakudo,softmoth/rakudo,rakudo/rakudo,tony-o/rakudo,labster/rakudo,MasterDuke17/rakudo,labster/rakudo,softmoth/rakudo,rakudo/rakudo,nbrown/rakudo,rakudo/rakudo,tony-o/rakudo,MasterDuke17/rakudo,labster/rakudo,salortiz/rakudo,nbrown/rakudo,salortiz/rakudo,tony-o/rakudo