klibc: dmesg utility: remove unused variable

Remove unused variable in the dmesg utility.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/usr/utils/dmesg.c b/usr/utils/dmesg.c
index 8528534..61e047e 100644
--- a/usr/utils/dmesg.c
+++ b/usr/utils/dmesg.c
@@ -19,7 +19,6 @@
 	int cmd = 3;	/* Read all messages remaining in the ring buffer */
 	int len = 0;
 	int opt;
-	int i = 0;
 	int newline;
 
 	while ((opt = getopt(argc, argv, "c")) != -1) {