don't pass nameidata * to vfs_create()

all we want is a boolean flag, same as the method gets now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index da2c188..2dee38d5 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -751,7 +751,7 @@
 	ret = mnt_want_write(ipc_ns->mq_mnt);
 	if (ret)
 		goto out;
-	ret = vfs_create(dir->d_inode, dentry, mode, NULL);
+	ret = vfs_create(dir->d_inode, dentry, mode, true);
 	dentry->d_fsdata = NULL;
 	if (ret)
 		goto out_drop_write;