Log Message:
-----------
Fix core dump in error path of plpgsql_parse_tripwordtype. Somebody
introduced a copy-and-pasteo while trying to simplify the code.
Modified Files:
--------------
pgsql/src/pl/plpgsql/src:
pl_comp.c (r1.96 -> r1.97)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/pl_comp.c.diff?r1=1.96&r2=1.97)