files: Explicitly set linked remap type

This makes crit show the type, which is handy. Also this will let us
deprecate the old format where remap type was encoded into remap ID.

travis-ci: success for files: Explicitly set linked remap type
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/files-reg.c

@@ -787,6 +787,8 @@ static int dump_linked_remap(char *path, int len, const struct stat *ost,
 
 	rpe.orig_id = id;
 	rpe.remap_id = lid;
+	rpe.has_remap_type = true;
+	rpe.remap_type = REMAP_TYPE__LINKED;
 
 	return pb_write_one(img_from_set(glob_imgset, CR_FD_REMAP_FPATH),
 			&rpe, PB_REMAP_FPATH);