[PATCH] x86_64: assign_irq_vector should not be marked __init

This box crashed at startup today and I noticed that some modules will
need to have assign_irq_vector() available although it is marked as
__init.

Looks like it was done for i386 in but not x86_64...
Signed-off-by: Alexander Nyberg <alexn@dsv.su.se>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/io_apic.c

@@ -654,11 +654,7 @@ static inline int IO_APIC_irq_trigger(int irq)
 /* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */
 u8 irq_vector[NR_IRQ_VECTORS] = { FIRST_DEVICE_VECTOR , 0 };
 
-#ifdef CONFIG_PCI_MSI
 int assign_irq_vector(int irq)
-#else
-int __init assign_irq_vector(int irq)
-#endif
 {
 	static int current_vector = FIRST_DEVICE_VECTOR, offset = 0;