autofs: fix Git formatting of patch

The patch 0001-include-linux-nfs.h-directly-in-rpc_sub.patch was Git
formatted, except that a Upstream status statement was added above the
patch, which makes it unapplicable by "git am". So fix this by putting
the Upstream status statement where it should be.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>