Log Message:
-----------
Trim an obsolete comment: it is no longer relevant that "SELECT" was
formerly "RETRIEVE", and so forth.
Modified Files:
--------------
pgsql/src/include/nodes:
nodes.h (r1.180 -> r1.181)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/nodes/nodes.h.diff?r1=1.180&r2=1.181)