[BusyBox] unarchive fixes

[Matt Kraai]

On Tue, Aug 28, 2001 at 09:35:08PM +0000, Laurence Anderson wrote:
> Attached a patch to fix three bugs in unarchive.c:
> 
> * Creating leading directories wasn't working (due to a typo)
> * Corrected an error message
> * Free the file_entry structure after use
> 	Makes memory usage constant rather than proportional to number of archive 
> entries. (saves lots of memory for big archives)
> 
> Could this patch be applied to both branches...

Thanks.  Committed to the HEAD.  I'll let Erik backport it.

Matt