[PATCH] ia64 msi build fix

drivers/pci/quirks.c:pci_msi_quirk is only defined if CONFIG_X86_IO_APIC, but
msi_init() unconditionally uses it.
Acked-by: "Nguyen, Tom L" <tom.l.nguyen@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/pci/pci.h

@@ -64,8 +64,13 @@ extern void pci_remove_legacy_files(struct pci_bus *bus);
 /* Lock for read/write access to pci device and bus lists */
 extern spinlock_t pci_bus_lock;
 
-extern int pcie_mch_quirk;
+#ifdef CONFIG_X86_IO_APIC
 extern int pci_msi_quirk;
+#else
+#define pci_msi_quirk 0
+#endif
+
+extern int pcie_mch_quirk;
 extern struct device_attribute pci_dev_attrs[];
 extern struct class_device_attribute class_device_attr_cpuaffinity;