JFS: FIx one more plain integer as NULL pointer warning

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index d6e5eba..f8718de 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1104,7 +1104,7 @@
 	 */
 	rc = dtSearch(new_dir, &new_dname, &ino, &btstack, JFS_LOOKUP);
 	if (!rc) {
-		if ((new_ip == 0) || (ino != new_ip->i_ino)) {
+		if ((!new_ip) || (ino != new_ip->i_ino)) {
 			rc = -ESTALE;
 			goto out3;
 		}