Style fixup

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/diskutil.c b/diskutil.c
index 4f705c9..9fc3095 100644
--- a/diskutil.c
+++ b/diskutil.c
@@ -253,7 +253,7 @@
 	closedir(dirhandle);
 }
 
-static struct disk_util *disk_util_add(struct thread_data * td, int majdev,
+static struct disk_util *disk_util_add(struct thread_data *td, int majdev,
 				       int mindev, char *path)
 {
 	struct disk_util *du, *__du;