don't set d_reclen

It's not actually used and doesn't seem to be available on DragonflyBSD
(at least) judging from the patching in dports:

https://github.com/DragonFlyBSD/DPorts/commit/f66bf875f75335ff63e0cad2f817a1c6e7106045

1 files changed, 0 insertions, 1 deletions

diff --git a/dirs.c b/dirs.c
index 3b447e5..4bab6c0 100644
--- a/dirs.c
+++ b/dirs.c
@@ -128,7 +128,6 @@ scandir_fd(int fd, struct dirent ***namelist,
 
 		p->d_ino = d->d_ino;
 		p->d_type = d->d_type;
-		p->d_reclen = d->d_reclen;
 		memcpy(p->d_name, d->d_name, namlen + 1);
 		names[nitems++] = p;
 	}