[HttpFoundation] Fix file streaming after connection aborted

Author: rlshukhov

src/Symfony/Component/HttpFoundation/BinaryFileResponse.php

@@ -349,7 +349,7 @@ public function sendContent()
                 while ('' !== $data) {
                     $read = fwrite($out, $data);
                     if (false === $read || connection_aborted()) {
-                        break;
+                        break 2;
                     }
                     if (0 < $length) {
                         $length -= $read;