[PATCH] x86: hw_irq.h warning fix

include/asm/hw_irq.h:70: warning: `struct hw_interrupt_type' declared inside parameter list
include/asm/hw_irq.h:70: warning: its scope is only this definition or declaration, which is probably not what you want

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-i386/hw_irq.h

@@ -18,6 +18,8 @@
 #include <asm/irq.h>
 #include <asm/sections.h>
 
+struct hw_interrupt_type;
+
 /*
  * Various low-level irq details needed by irq.c, process.c,
  * time.c, io_apic.c and smp.c