ext4: remove unused assignment

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

fs/ext4/mballoc.c

@@ -1373,7 +1373,7 @@ static int mb_find_extent(struct ext4_buddy *e4b, int block,
 	ex->fe_start += next;
 
 	while (needed > ex->fe_len &&
-	       (buddy = mb_find_buddy(e4b, order, &max))) {
+	       mb_find_buddy(e4b, order, &max)) {
 
 		if (block + 1 >= max)
 			break;