Here's a very quick patch to fix the missing unlock code

Fixes missing unlock for certain chips:
 * unlock_49lf00x
    * Pm49fl002
    * Pm49fl004

 * unlock_49flxxxc
    * SST49LF160C

 * unlock_winbond_fwhub
    * W39V080FA
    * W39V080FA (dual mode)

Fixes missing printlock for certain chip:
 * printlock_w39v040c
    * W39V040C

Corresponding to flashrom svn r907.

Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
diff --git a/flash.h b/flash.h
index 1474a38..1378b61 100644
--- a/flash.h
+++ b/flash.h
@@ -206,6 +206,8 @@
 		int (*block_erase) (struct flashchip *flash, unsigned int blockaddr, unsigned int blocklen);
 	} block_erasers[NUM_ERASEFUNCTIONS];
 
+	int (*printlock) (struct flashchip *flash);
+	int (*unlock) (struct flashchip *flash);
 	int (*write) (struct flashchip *flash, uint8_t *buf);
 	int (*read) (struct flashchip *flash, uint8_t *buf, int start, int len);