ovl: cleanup unused var in rename2

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/overlayfs/dir.c

@@ -719,7 +719,6 @@ static int ovl_rename2(struct inode *olddir, struct dentry *old,
 	struct dentry *trap;
 	bool old_opaque;
 	bool new_opaque;
-	bool new_create = false;
 	bool cleanup_whiteout = false;
 	bool overwrite = !(flags & RENAME_EXCHANGE);
 	bool is_dir = d_is_dir(old);
@@ -872,7 +871,6 @@ static int ovl_rename2(struct inode *olddir, struct dentry *old,
 				goto out_dput;
 		}
 	} else {
-		new_create = true;
 		if (!d_is_negative(newdentry) &&
 		    (!new_opaque || !ovl_is_whiteout(newdentry)))
 			goto out_dput;