Log Message:
-----------
Restore behavior of --pgxs option to that of the original shell script.
Modified Files:
--------------
pgsql-server/src/bin/pg_config:
pg_config.c (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_config/pg_config.c.diff?r1=1.3&r2=1.4)