fix(sdl): nested comment is not allowed (#6748)

src/drivers/sdl/lv_sdl_window.c

@@ -122,7 +122,7 @@ lv_display_t * lv_sdl_window_create(int32_t hor_res, int32_t ver_res)
         lv_display_set_buffers(disp, dsc->fb1, dsc->fb2, stride * disp->ver_res,
                                LV_SDL_RENDER_MODE);
     }
-#else /*/*LV_USE_DRAW_SDL == 1*/
+#else /*LV_USE_DRAW_SDL == 1*/
     /*It will render directly to default Texture, so the buffer is not used, so just set something*/
     static lv_draw_buf_t draw_buf;
     static uint8_t dummy_buf; /*It won't be used as it will render to the SDL textures directly*/