pgsql: Fix canonicalize_path so "../.." isn't stripped off and ignored.
Log Message:
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Fix canonicalize_path so "../.." isn't stripped off and ignored.
Modified Files:
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pgsql/src/port:
path.c (r1.51 -> r1.52)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/port/path.c.diff?r1=1.51&r2=1.52)