Fixes SD begin() end() memory leak espressif#2897 (espressif#5419)

SuGlider · web-flow · commit 4a0305a05e19 · 2021-07-19T19:08:51.000+03:00
diff --git a/libraries/SD/src/sd_diskio.cpp b/libraries/SD/src/sd_diskio.cpp
@@ -703,6 +703,7 @@ uint8_t sdcard_uninit(uint8_t pdrv)
     esp_err_t err = ESP_OK;
     if (card->base_path) {
         err = esp_vfs_fat_unregister_path(card->base_path);
+        free(card->base_path);
     }
     free(card);
     return err;
