Blackfin arch: move ack_bad_irq() prototype to hardirq.h to match other arches

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

arch/blackfin/include/asm/hardirq.h

@@ -42,4 +42,6 @@ typedef struct {
 
 #define __ARCH_IRQ_EXIT_IRQS_DISABLED	1
 
+extern void ack_bad_irq(unsigned int irq);
+
 #endif

arch/blackfin/include/asm/irq.h

@@ -21,8 +21,6 @@
 #include <mach/irq.h>
 #include <asm/ptrace.h>
 
-extern void ack_bad_irq(unsigned int irq);
-
 static __inline__ int irq_canonicalize(int irq)
 {
 	return irq;