btrfs: use new error message helper in qgroup_account_snapshot

We've renamed btrfs_std_error, this one is left from last merge.

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index f6e24cb..4e74b57 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1385,7 +1385,7 @@
 	switch_commit_roots(trans->transaction, fs_info);
 	ret = btrfs_write_and_wait_transaction(trans, src);
 	if (ret)
-		btrfs_std_error(fs_info, ret,
+		btrfs_handle_fs_error(fs_info, ret,
 			"Error while writing out transaction for qgroup");
 
 out: