lavapipe: add missing break

No effect as-is but annoying later.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9594>

src/gallium/frontends/lavapipe/lvp_device.c

@@ -516,6 +516,7 @@ VKAPI_ATTR void VKAPI_CALL lvp_GetPhysicalDeviceFeatures2(
          VkPhysicalDeviceScalarBlockLayoutFeaturesEXT *features =
             (VkPhysicalDeviceScalarBlockLayoutFeaturesEXT *)ext;
          features->scalarBlockLayout = true;
+         break;
       }
       default:
          break;