Make private functions protected

This allows extending of the service provider class without having to copy everything over wholesale.
(I'm extending the service provider class to  load my extended version of the TNTSearch class that slightly alters the search query to use `LIKE '%xxx%'` instead of `LIKE 'xxx%'.)

Author: mikebronner

src/TNTSearchScoutServiceProvider.php

@@ -37,7 +37,7 @@ public function boot()
         }
     }
 
-    private function setFuzziness($tnt)
+    protected function setFuzziness($tnt)
     {
         $fuzziness = config('scout.tntsearch.fuzziness');
         $prefix_length = config('scout.tntsearch.fuzzy.prefix_length');
@@ -51,7 +51,7 @@ private function setFuzziness($tnt)
         $tnt->fuzzy_distance = isset($distance) ? $distance : $tnt->fuzzy_distance;
     }
 
-    private function setAsYouType($tnt)
+    protected function setAsYouType($tnt)
     {
         $asYouType = config('scout.tntsearch.asYouType');