pgstatsinfo - pg_statsinfo: Logger should not shutdown before any

Log Message:
-----------
Logger should not shutdown before any backend process are alive.

Modified Files:
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pg_statsinfo/bin:
logger.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/bin/logger.c?r1=1.6&r2=1.7)