SUNRPC: Fix up typo in xdr_init_decode()

We already know that the head buffer and page are empty, so if there is
any data, it is in the tail.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-11-21 14:01:50 -05:00
commit 2b1f83d108