[PATCH] include unistd.h in m68knommu 68328 entry code

Include asm/unistd.h to get the NR_syscalls definition in the
m68knommu 68328 interrupt entry code.

arch/m68knommu/platform/68328/entry.S

@@ -14,6 +14,7 @@
 #include <linux/sys.h>
 #include <linux/linkage.h>
 #include <asm/thread_info.h>
+#include <asm/unistd.h>
 #include <asm/errno.h>
 #include <asm/setup.h>
 #include <asm/segment.h>