Log Message:
-----------
Fix BUG #2594: Gin Indexes cause server to crash when it builds on empty table
Modified Files:
--------------
pgsql/src/backend/access/gin:
ginbulk.c (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/gin/ginbulk.c.diff?r1=1.4&r2=1.5)