Flashrom update from Stefan, resolve issue 21

Corresponding to flashrom svn r34 and coreboot v2 svn r2111.
diff --git a/w49f002u.h b/w49f002u.h
index 29320b7..1ea8377 100644
--- a/w49f002u.h
+++ b/w49f002u.h
@@ -1,6 +1,6 @@
 #ifndef __W49F002U_H__
 #define __W49F002U_H__ 1
 
-extern int write_49f002(struct flashchip *flash, unsigned char *buf);
+extern int write_49f002(struct flashchip *flash, uint8_t *buf);
 
 #endif				/* !__W49F002U_H__ */