[Bug 25554] New: Could Wine live with empty WINEPREFIX?

http://bugs.winehq.org/show_bug.cgi?id=25554

Summary: Could Wine live with empty WINEPREFIX?
           Product: Wine
           Version: 1.3.9
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Hi, i use WINEPREFIX a lot, but when i tried to "delete" this variable by
setting it to the empty string, wine then tells me:

wine: invalid directory  in WINEPREFIX: not an absolute path

This empty string enhancement could help people like me, who don't know without
google how to remove bash variable and want to quickly go with wine's default
directory.