added missing new line at end of files

Author: stefanak-michal

Socket.php

@@ -137,4 +137,4 @@ public static function readBuffer(int $length = 2048): string
         } while (mb_strlen($output, '8bit') < $length);
         return $output;
     }
-}
+}

protocol/AProtocol.php

@@ -60,4 +60,4 @@ public function goodbye(...$args)
 
     }
 
-}
+}