Fix another problem in SQL-MED \d displays: should have a clean failure report if the command is attempted against an old server.
Fix another problem in SQL-MED \d displays: should have a clean failure
report if the command is attempted against an old server.

edespino/gpdb,Postgres-XL/Postgres-XL,adam8157/gpdb,postmind-net/postgres-xl,arcivanov/postgres-xl,zeroae/postgres-xl,Chibin/gpdb,xinzweb/gpdb,adam8157/gpdb,adam8157/gpdb,adam8157/gpdb,jmcatamney/gpdb,xinzweb/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,Chibin/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,50wu/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,snaga/postgres-xl,oberstet/postgres-xl,ashwinstar/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,Chibin/gpdb,edespino/gpdb,yuanzhao/gpdb,lisakowen/gpdb,xinzweb/gpdb,yuanzhao/gpdb,pavanvd/postgres-xl,Chibin/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,yazun/postgres-xl,snaga/postgres-xl,jmcatamney/gpdb,tpostgres-projects/tPostgres,techdragon/Postgres-XL,kmjungersen/PostgresXL,Chibin/gpdb,edespino/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,yuanzhao/gpdb,lisakowen/gpdb,yazun/postgres-xl,lisakowen/gpdb,Chibin/gpdb,jmcatamney/gpdb,50wu/gpdb,Chibin/gpdb,edespino/gpdb,tpostgres-projects/tPostgres,jmcatamney/gpdb,xinzweb/gpdb,snaga/postgres-xl,oberstet/postgres-xl,adam8157/gpdb,xinzweb/gpdb,greenplum-db/gpdb,ovr/postgres-xl,lisakowen/gpdb,50wu/gpdb,ovr/postgres-xl,pavanvd/postgres-xl,edespino/gpdb,50wu/gpdb,50wu/gpdb,ashwinstar/gpdb,Postgres-XL/Postgres-XL,Chibin/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,greenplum-db/gpdb,Postgres-XL/Postgres-XL,techdragon/Postgres-XL,kmjungersen/PostgresXL,xinzweb/gpdb,ovr/postgres-xl,oberstet/postgres-xl,edespino/gpdb,snaga/postgres-xl,lisakowen/gpdb,techdragon/Postgres-XL,yazun/postgres-xl,edespino/gpdb,Postgres-XL/Postgres-XL,postmind-net/postgres-xl,yazun/postgres-xl,ashwinstar/gpdb,50wu/gpdb,lisakowen/gpdb,ashwinstar/gpdb,oberstet/postgres-xl,yuanzhao/gpdb,kmjungersen/PostgresXL,arcivanov/postgres-xl,zeroae/postgres-xl,snaga/postgres-xl,yuanzhao/gpdb,kmjungersen/PostgresXL,50wu/gpdb,jmcatamney/gpdb,ovr/postgres-xl,pavanvd/postgres-xl,ovr/postgres-xl,postmind-net/postgres-xl,jmcatamney/gpdb,adam8157/gpdb,Chibin/gpdb,adam8157/gpdb,arcivanov/postgres-xl,edespino/gpdb,techdragon/Postgres-XL,arcivanov/postgres-xl,yuanzhao/gpdb,greenplum-db/gpdb,zeroae/postgres-xl,lisakowen/gpdb,yuanzhao/gpdb,edespino/gpdb,50wu/gpdb,yuanzhao/gpdb,adam8157/gpdb,xinzweb/gpdb,zeroae/postgres-xl,edespino/gpdb,yuanzhao/gpdb,lisakowen/gpdb,yazun/postgres-xl,Chibin/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,zeroae/postgres-xl,tpostgres-projects/tPostgres,kmjungersen/PostgresXL,pavanvd/postgres-xl,tpostgres-projects/tPostgres