sh: hs7751rvoip: irq.c needs linux/interrupt.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/renesas/hs7751rvoip/irq.c

@@ -12,6 +12,7 @@
 
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/hs7751rvoip.h>