Log Message:
-----------
Fixed incorrect argument handling in SET command if argument is a variable.
Tags:
----
REL8_3_STABLE
Modified Files:
--------------
pgsql/src/interfaces/ecpg/preproc:
preproc.y (r1.359.2.4 -> r1.359.2.5)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/preproc.y?r1=1.359.2.4&r2=1.359.2.5)