Log Message:
-----------
Don't send an empty SSPI negotiation packet at the end of the negotiation.
Fixes bug #3750
Modified Files:
--------------
pgsql/src/interfaces/libpq:
fe-auth.c (r1.133 -> r1.134)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/fe-auth.c?r1=1.133&r2=1.134)