[MTD] proper prototypes for inftl_{read,write}_oob()

This patch adds proper prototypes for inftl_{read,write}_oob() in
include/linux/mtd/inftl.h

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/linux/mtd/inftl.h b/include/linux/mtd/inftl.h
index 6977780..85fd041 100644
--- a/include/linux/mtd/inftl.h
+++ b/include/linux/mtd/inftl.h
@@ -57,6 +57,11 @@
 void INFTL_dumptables(struct INFTLrecord *s);
 void INFTL_dumpVUchains(struct INFTLrecord *s);
 
+int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
+		   size_t *retlen, uint8_t *buf);
+int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
+		    size_t *retlen, uint8_t *buf);
+
 #endif /* __KERNEL__ */
 
 #endif /* __MTD_INFTL_H__ */