RE: [Cooker] Fix for supermount NLS problem (I hope)

[Borsenkow Andrej]

> - we store fs-specific arguments in sbi->s_data
> - then we pass it to subfs
> - it (in our case, isofs) puts 0 in the middle that trashes value for
> the next time
> - next time the option does not work anymore:
> 
> [super.c:subfs_mount:199] type=iso9660, dev=/dev/hdc, data=iocharset
>                                                                    ^^^
> oops!
> 
> This smells as memory leak in any case. 

Even if it is no memory leak it means on second mount some options will
be ignored. This is already bad enough.