Bug#334205: xdebconfigurator: Should not refer to xserver-unknown X package

[Petter Reinholdtsen <pere@hungry.com>]

Package: xdebconfigurator
Version: 1.18

When running xdebconfigurator on a test machine, it claim the X
package to use is xserver-unknown.  This package do not exist.  This
is the output:

  parse error reading X server string `unknown'
  parse error reading X server string `unknown'
  VIDEO CARD: vendor|unknown unknown device 1106:7205
  VIDEO CARD DEVICE: 7205
  VIDEO CARD VENDOR: 1106
  VIDEO DRIVER: vesa
  VIDEO DRIVER SRC: defaulting to vesa
  VIDEO MEMORY:
  POSSIBLE XSERVER: unknown
  XSERVER 3:
  XSERVER 4:
  DEBIAN PACKAGE: xserver-unknown
  MOUSE DEVICE: /dev/psaux
  MOUSE PROTOCOL: PS/2
  MOUSE WHEEL: 0
  KEYBOARD RULES: xfree86
  MONITOR:  Daewoo 1509B
  MONITOR ID: dwe
  SUGGESTED METHOD: Advanced
  MONITOR SIZE:
  MONITOR HOR SYNC:  30.0-69.0
  MONITOR VER REFR:  50.0-120.0
  MONITOR MODES: 1600x1200, 1280x1024, 1280x768, 1152x864, 1024x768, 800x600, 640x48
  0, 640x400, 512x384, 400x300, 320x240, 320x200
  MONITOR MODE: 1024x768 @ 70Hz
  MONITOR DEFAULT DEPTH: 16

This leads to errors from dexconf, reporting

  dexconf: error: this program does not know how to configure the
  "xserver-unknown" X server

This is the output from lspci -n on the machine:

  0000:00:00.0 0600: 1106:3205
  0000:00:01.0 0604: 1106:b198
  0000:00:0a.0 0200: 8086:1229 (rev 0c)
  0000:00:10.0 0c03: 1106:3038 (rev 80)
  0000:00:10.1 0c03: 1106:3038 (rev 80)
  0000:00:10.2 0c03: 1106:3038 (rev 80)
  0000:00:10.3 0c03: 1106:3104 (rev 82)
  0000:00:11.0 0601: 1106:3177
  0000:00:11.1 0101: 1106:0571 (rev 06)
  0000:00:11.5 0401: 1106:3059 (rev 50)
  0000:00:12.0 0200: 1106:3065 (rev 74)
  0000:01:00.0 0300: 1106:7205 (rev 01)