drivers/mtd/ubi/eba: minor cleanup: tighten scope of a local var

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 74002945..4dc10c8 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -368,7 +368,7 @@
 	int err, pnum, scrub = 0, idx = vol_id2idx(ubi, vol_id);
 	struct ubi_vid_hdr *vid_hdr;
 	struct ubi_volume *vol = ubi->volumes[idx];
-	uint32_t crc, crc1;
+	uint32_t crc;
 
 	err = leb_read_lock(ubi, vol_id, lnum);
 	if (err)
@@ -451,7 +451,7 @@
 	}
 
 	if (check) {
-		crc1 = crc32(UBI_CRC32_INIT, buf, len);
+		uint32_t crc1 = crc32(UBI_CRC32_INIT, buf, len);
 		if (crc1 != crc) {
 			ubi_warn("CRC error: calculated %#08x, must be %#08x",
 				 crc1, crc);