libtar: fix handling of files bigger than 2 GiB

Change-Id: I96dc1b52b2e4edf366e70a927b263a9aab3e85b7
Signed-off-by: Vojtech Bocek <vbocek@gmail.com>
diff --git a/libtar/append.c b/libtar/append.c
index 514cf54..1831990 100644
--- a/libtar/append.c
+++ b/libtar/append.c
@@ -233,8 +233,8 @@
 {
 	char block[T_BLOCKSIZE];
 	int filefd;
-	int i, j;
-	size_t size;
+	int j;
+	size_t size, i;
 
 	filefd = open(realname, O_RDONLY);
 	if (filefd == -1)