Remove #include of header files obsoleted in Linux-2.6.
diff --git a/fs/yaffs2/nandemul2k.c b/fs/yaffs2/nandemul2k.c
--- a/fs/yaffs2/nandemul2k.c
+++ b/fs/yaffs2/nandemul2k.c
@@ -27,7 +27,6 @@
#include <linux/mtd/mtd.h>
#include <linux/interrupt.h>
#include <linux/string.h>
-#include <linux/locks.h>
#include <asm/uaccess.h>
#include <linux/mtd/mtd.h>