Log Message:
-----------
Update workding on why we use is_absolute_path() as a macro.
Modified Files:
--------------
pgsql/src/include:
port.h (r1.65 -> r1.66)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/port.h.diff?r1=1.65&r2=1.66)