[Unionfs] Can't mount NFS-exported union anymore in unionfs-1.4

[hooanon05 at yahoo.co.jp]

Wilhelm Meier:
> But the effect remains the same:
> 
> gs unionfs-1.4.nfs-permission-denied # mount -t unionfs=20
> none /tftproot/gentoo_B -o=20
> imap=3D/tftproot/gbf.map:/tftproot/gbro.map,dirs=3D/tftproot/gentoo_Bdiff=
> =3Drw:/tftproot/gentoo_A=3Dro
> Segmentation fault

I think the reason is that you specified TWO branches and ONE reverse
map. Try TWO revmaps.

Junjiro Okajima