Log Message:
-----------
Tweak new PQExpBufferBroken macro to suppress warnings from pickier
versions of gcc.
Modified Files:
--------------
pgsql/src/interfaces/libpq:
pqexpbuffer.h (r1.20 -> r1.21)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/pqexpbuffer.h?r1=1.20&r2=1.21)