[IA64] hotplug/ia64: SN Hotplug Driver - pci_find_next_bus export

The pci_find_next_bus function is listed as being exported to drivers.  It is
not EXPORT_SYMBOL'd.

Signed-off-by: Prarit Bhargava <prarit@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

drivers/pci/search.c

@@ -379,6 +379,7 @@ exit:
 EXPORT_SYMBOL(pci_dev_present);
 
 EXPORT_SYMBOL(pci_find_bus);
+EXPORT_SYMBOL(pci_find_next_bus);
 EXPORT_SYMBOL(pci_find_device);
 EXPORT_SYMBOL(pci_find_device_reverse);
 EXPORT_SYMBOL(pci_find_slot);