2.6.17-rc2-mm1: ACPI_DOCK=n, HOTPLUG_PCI_ACPI=y compile error

[Adrian Bunk <bunk@stusta.de>]

Although not mentioned in the changelog, acpi-dock-driver.patch was 
updated in 2.6.17-rc2-mm1.

The changes cause the following compile error with CONFIG_ACPI_DOCK=n, 
CONFIG_HOTPLUG_PCI_ACPI=y:

<--  snip  -->

...
  LD      .tmp_vmlinux1
drivers/built-in.o: In function 
`is_pci_dock_device':acpiphp_glue.c:(.text+0x1a08a): undefined reference to `is_dock_device'
drivers/built-in.o: In function `cleanup_bridge':
acpiphp_glue.c:(.text+0x1a127): undefined reference to `is_dock_device'
:acpiphp_glue.c:(.text+0x1a133): undefined reference to `unregister_hotplug_dock_device'
:acpiphp_glue.c:(.text+0x1a13b): undefined reference to `unregister_dock_notifier'
drivers/built-in.o: In function `register_slot':
acpiphp_glue.c:(.text+0x1b545): undefined reference to `is_dock_device'
:acpiphp_glue.c:(.text+0x1b742): undefined reference to `is_dock_device'
:acpiphp_glue.c:(.text+0x1b759): undefined reference to `register_hotplug_dock_device'
:acpiphp_glue.c:(.text+0x1b786): undefined reference to `register_dock_notifier'
make: *** [.tmp_vmlinux1] Error 1

<--  snip  -->

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed