bcachefs: snapshot_node_missing is now autofix

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

Author: Kent Overstreet

fs/bcachefs/sb-errors_format.h

@@ -291,7 +291,7 @@ enum bch_fsck_flags {
 	x(btree_node_topology_empty_interior_node,		261,	0)		\
 	x(btree_ptr_v2_min_key_bad,				262,	0)		\
 	x(btree_root_unreadable_and_scan_found_nothing,		263,	FSCK_AUTOFIX)	\
-	x(snapshot_node_missing,				264,	0)		\
+	x(snapshot_node_missing,				264,	FSCK_AUTOFIX)	\
 	x(dup_backpointer_to_bad_csum_extent,			265,	0)		\
 	x(btree_bitmap_not_marked,				266,	FSCK_AUTOFIX)	\
 	x(sb_clean_entry_overrun,				267,	0)		\