In unlock_28f004s5, variable 'i' needs to be int...

Corresponding to flashrom svn r967.

Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Sean Nelson <audiohacked@gmail.com>
diff --git a/82802ab.c b/82802ab.c
index 68054e2..191114b 100644
--- a/82802ab.c
+++ b/82802ab.c
@@ -209,7 +209,8 @@
 int unlock_28f004s5(struct flashchip *flash)
 {
 	chipaddr bios = flash->virtual_memory;
-	uint8_t mcfg, bcfg, need_unlock = 0, can_unlock = 0, i;
+	uint8_t mcfg, bcfg, need_unlock = 0, can_unlock = 0;
+	int i;
 
 	/* Clear status register */
 	chip_writeb(0x50, bios);