[PATCH] PCI: cleanup unused variable about msi driver

In IA64 platform, msi driver does not use irq_vector variable, and in
x86 platform LAST_DEVICE_VECTOR should one before FIRST_SYSTEM_VECTOR,
this patch modify this.

Signed-off-by: bibo, mao <bibo.mao@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/asm-i386/msi.h b/include/asm-i386/msi.h
index ed10142..b11c4b7 100644
--- a/include/asm-i386/msi.h
+++ b/include/asm-i386/msi.h
@@ -9,7 +9,7 @@
 #include <asm/desc.h>
 #include <mach_apic.h>
 
-#define LAST_DEVICE_VECTOR		232
+#define LAST_DEVICE_VECTOR	(FIRST_SYSTEM_VECTOR - 1)
 #define MSI_TARGET_CPU_SHIFT	12
 
 extern struct msi_ops msi_apic_ops;