pg_recvlogical.c doesn't build with --disable-integer-datetimes

Hi,

Since commit 7c030783a5bd07cadffc2a1018bc33119a4c7505 it seems that $SUBJECT.

pg_recvlogical.c:501:37: error: incompatible pointer types passing
'int64 *' (aka 'long *') to parameter of type 'TimestampTz *' (aka
'double *') [-Werror,-Wincompatible-pointer-types]
if (!flushAndSendFeedback(conn, &now))

pg_recvlogical.c:547:36: error: incompatible pointer types passing
'int64 *' (aka 'long *') to parameter of type 'TimestampTz *' (aka
'double *') [-Werror,-Wincompatible-pointer-types]
if (!flushAndSendFeedback(conn, &now))

pg_recvlogical.c:596:36: error: incompatible pointer types passing
'int64 *' (aka 'long *') to parameter of type 'TimestampTz *' (aka
'double *') [-Werror,-Wincompatible-pointer-types]
if (!flushAndSendFeedback(conn, &now))

Maybe the attached is the right fix for that? (Sorry, I didn't test
because I haven't got around to learning how to drive this new stuff
yet.)

--
Thomas Munro
http://www.enterprisedb.com