BUG #5962: Problem Acessing Network Path

The following bug has been logged online:

Bug reference:      5962
Logged by:          Sumit
Email address:      sam141083@gmail.com
PostgreSQL version: 8.3
Operating system:   win 7
Description:        Problem Acessing Network Path
Details:

I am trying to use lo_import('//user-xyz/abc.txt')

this path can be accesed by any user but as postgres create a service
account and it has no acess of network
so is their any way to send user detail to acess the Network path in Query.

Thanks in advance