Patch for bug ID 1550

[Catalin Patulea]

This is the first WINE patch I send. It makes winedbg display only the 
filename when it shows addresses (as shown in the Bugzilla bug page).

ChangeLog:
* winedbg now only displays filenames when showing addresses

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Catalin Patulea           VV Volunteer 2002
http://vv.carleton.ca/~catalins/
catalins at vv.carleton.ca
                                 VV Rocks!!