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/pm49fl00x.c b/pm49fl00x.c
index 9d104e2..e8c498d 100644
--- a/pm49fl00x.c
+++ b/pm49fl00x.c
@@ -36,6 +36,12 @@
 	}
 }
 
+int unlock_49fl00x(struct flashchip *flash)
+{
+	write_lockbits_49fl00x(flash->virtual_registers, flash->total_size * 1024, 0, flash->page_size);
+	return 0;
+}
+
 int erase_49fl00x(struct flashchip *flash)
 {
 	int i;