make jpkg resource path absolute

[Mark Reinhold]

> Date: Fri, 30 Apr 2010 13:27:04 -0700
> From: akhil.arora at oracle.com

> On 04/30/2010 01:25 PM, Mark Reinhold wrote:
>> Are you saying that if you pass an absolute path to -r then it's not
>> interpreted as absolute?  That would be a bug.
> 
> An absolute path passed to -r is not accepted at all - jpkg insists on being
> given a relative path for -r.

Yow, that's even worse!  Definitely a bug.

- Mark