nfc: llcp: Fix use-after-free in llcp_sock_release()

nfc: llcp: Fix use-after-free in llcp_sock_release()

llcp_sock_release() unconditionally unlinks the socket from the local
sockets list.  However, if the socket is still in connecting state, it
is on the connecting list.

Fix this by checking the socket state and unlinking from the correct list.

Fixes: b4011239a08e ("NFC: llcp: Fix non blocking sockets connections")
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://patch.msgid.link/20260429134115.3558604-1-lee@kernel.org
Signed-off-by: David Heidelberg <david@ixit.cz>