mm/zswap: fix a white space issue

We accidentally deleted a tab in commit f84152e ("mm/zswap: use only
one pool in zswap").  Add it back.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Chengming Zhou <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Dan Carpenter

mm/zswap.c

@@ -803,7 +803,7 @@ static void zswap_entry_free(struct zswap_entry *entry)
 		atomic_dec(&zswap_same_filled_pages);
 	else {
 		zswap_lru_del(&zswap_list_lru, entry);
-	zpool_free(entry->pool->zpool, entry->handle);
+		zpool_free(entry->pool->zpool, entry->handle);
 		zswap_pool_put(entry->pool);
 	}
 	if (entry->objcg) {