[PATCH] include unistd.h in m68knommu vectors.c

This includes unistd.h in the high level vector handling code.  It needs
NR_syscall.

arch/m68knommu/platform/5307/vectors.c

@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/param.h>
 #include <linux/init.h>
+#include <linux/unistd.h>
 #include <asm/irq.h>
 #include <asm/dma.h>
 #include <asm/traps.h>