[PATCH] arm26: fix warnings about NR_IRQS being not defined

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-arm26/hardirq.h

@@ -4,6 +4,7 @@
 #include <linux/config.h>
 #include <linux/cache.h>
 #include <linux/threads.h>
+#include <asm/irq.h>
 
 typedef struct {
 	unsigned int __softirq_pending;