Log Message:
-----------
Dept. of third thoughts: PG_LIBS may contain a -L switch, so it had better
stay in front of LDFLAGS.
Modified Files:
--------------
pgsql/src/makefiles:
pgxs.mk (r1.21 -> r1.22)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/makefiles/pgxs.mk?r1=1.21&r2=1.22)