Update Driver.php

Author: jackbayliss

src/Driver.php

@@ -11,7 +11,7 @@
      * @param String $ip
      * @return Position $position
      */
-    public static function CallApi(String $ip) {
+    public static function CallApi(String $ip): Position {
 
         // Get our config to find the default set.
         $api = config('currencyapi.default_api');