Log Message:
-----------
Add comment about portability function name inconsistency.
Modified Files:
--------------
pgsql-server/src/include:
port.h (r1.52 -> r1.53)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/include/port.h.diff?r1=1.52&r2=1.53)