pgsql: Make sure syslogPipe runs in binary mode on Windows to avoid

Log Message:
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Make sure syslogPipe runs in binary mode on Windows to avoid corrupting the pipe chunking protocol. Backport to 8.0

Tags:
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REL8_0_STABLE

Modified Files:
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pgsql/src/backend/postmaster:
postmaster.c (r1.443.4.9 -> r1.443.4.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/postmaster.c.diff?r1=1.443.4.9&r2=1.443.4.10)
syslogger.c (r1.12.4.3 -> r1.12.4.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/syslogger.c.diff?r1=1.12.4.3&r2=1.12.4.4)