Fix failing build due to missing public modifiers on interface

Author: swquinn

src/Sentry/SentryBundle/EventListener/SentryExceptionListenerInterface.php

@@ -18,22 +18,22 @@ interface SentryExceptionListenerInterface
      *
      * @param GetResponseEvent $event
      */
-    function onKernelRequest(GetResponseEvent $event);
+    public function onKernelRequest(GetResponseEvent $event);
 
     /**
      * When an exception occurs as part of a web request, this method will be
      * triggered for capturing the error.
      *
      * @param GetResponseForExceptionEvent $event
      */
-    function onKernelException(GetResponseForExceptionEvent $event);
+    public function onKernelException(GetResponseForExceptionEvent $event);
 
     /**
      * When an exception occurs on the command line, this method will be
      * triggered for capturing the error.
      *
      * @param ConsoleExceptionEvent $event
      */
-    function onConsoleException(ConsoleExceptionEvent $event);
+    public function onConsoleException(ConsoleExceptionEvent $event);
 
 }