Re: pgsql: In pg_upgrade, copy fsm, vm, and extent files by checking for fi

BTW, this patch isn't looking so good on Windows.  Buildfarm member
chough says

"C:\prog\bf\root\HEAD\pgsql.11252\pgsql.sln" (default target) (1) ->
(contrib\pg_upgrade target) ->
  .\contrib\pg_upgrade\relfilenode.c(202): warning C4003: not enough actual parameters for macro 'open'


"C:\prog\bf\root\HEAD\pgsql.11252\pgsql.sln" (default target) (1) ->
(contrib\pg_upgrade target) ->
  .\contrib\pg_upgrade\relfilenode.c(202): error C2059: syntax error : ')'
  .\contrib\pg_upgrade\relfilenode.c(207): error C2181: illegal else without matching if
  .\contrib\pg_upgrade\relfilenode.c(242): error C2059: syntax error : 'return'
  .\contrib\pg_upgrade\relfilenode.c(243): error C2059: syntax error : '}'

    1 Warning(s)
    4 Error(s)

            regards, tom lane