[PATCH] fix platform_rename_gsi related ia32 build breakage

[Arnaldo Carvalho de Melo]

Hi Linus,

	This is needed to build current BK tree on IA32.

- Arnaldo
===== arch/i386/kernel/io_apic.c 1.116 vs edited =====
--- 1.116/arch/i386/kernel/io_apic.c	2004-10-28 05:35:33 -03:00
+++ edited/arch/i386/kernel/io_apic.c	2004-11-10 21:39:57 -02:00
@@ -1039,6 +1039,8 @@
 	return MPBIOS_trigger(idx);
 }
 
+extern int (*platform_rename_gsi)(int ioapic, int gsi);
+
 static int pin_2_irq(int idx, int apic, int pin)
 {
 	int irq, i;