m68k/mac: Convert Mac to genirq

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index f264791..ff11746 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -11,6 +11,9 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#endif
 
 #include <asm/traps.h>
 #include <asm/bootinfo.h>