Update GNU tar error code documentation.
Update GNU tar error code documentation.

Backpatch to 8.2.X.

postmind-net/postgres-xl,kaknikhil/gpdb,lisakowen/gpdb,50wu/gpdb,xuegang/gpdb,zeroae/postgres-xl,postmind-net/postgres-xl,Chibin/gpdb,rvs/gpdb,xinzweb/gpdb,ahachete/gpdb,greenplum-db/gpdb,Chibin/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,Chibin/gpdb,arcivanov/postgres-xl,yuanzhao/gpdb,ashwinstar/gpdb,kmjungersen/PostgresXL,ashwinstar/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,xinzweb/gpdb,zaksoup/gpdb,50wu/gpdb,chrishajas/gpdb,xuegang/gpdb,CraigHarris/gpdb,Postgres-XL/Postgres-XL,lisakowen/gpdb,Chibin/gpdb,lintzc/gpdb,0x0FFF/gpdb,lintzc/gpdb,adam8157/gpdb,xuegang/gpdb,lintzc/gpdb,janebeckman/gpdb,zeroae/postgres-xl,zaksoup/gpdb,Postgres-XL/Postgres-XL,50wu/gpdb,snaga/postgres-xl,tpostgres-projects/tPostgres,kaknikhil/gpdb,royc1/gpdb,zeroae/postgres-xl,oberstet/postgres-xl,chrishajas/gpdb,rvs/gpdb,tpostgres-projects/tPostgres,royc1/gpdb,ahachete/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,adam8157/gpdb,edespino/gpdb,edespino/gpdb,pavanvd/postgres-xl,adam8157/gpdb,yazun/postgres-xl,jmcatamney/gpdb,Quikling/gpdb,xuegang/gpdb,janebeckman/gpdb,lisakowen/gpdb,rvs/gpdb,pavanvd/postgres-xl,ahachete/gpdb,lisakowen/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,0x0FFF/gpdb,royc1/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,50wu/gpdb,adam8157/gpdb,oberstet/postgres-xl,kaknikhil/gpdb,royc1/gpdb,kaknikhil/gpdb,Quikling/gpdb,edespino/gpdb,janebeckman/gpdb,ovr/postgres-xl,ahachete/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,tpostgres-projects/tPostgres,0x0FFF/gpdb,jmcatamney/gpdb,kmjungersen/PostgresXL,CraigHarris/gpdb,yuanzhao/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,xinzweb/gpdb,yazun/postgres-xl,chrishajas/gpdb,kaknikhil/gpdb,janebeckman/gpdb,xinzweb/gpdb,zeroae/postgres-xl,jmcatamney/gpdb,chrishajas/gpdb,Chibin/gpdb,rvs/gpdb,xinzweb/gpdb,zaksoup/gpdb,50wu/gpdb,ahachete/gpdb,chrishajas/gpdb,arcivanov/postgres-xl,janebeckman/gpdb,Chibin/gpdb,xinzweb/gpdb,Quikling/gpdb,edespino/gpdb,CraigHarris/gpdb,Quikling/gpdb,lisakowen/gpdb,kmjungersen/PostgresXL,edespino/gpdb,ovr/postgres-xl,royc1/gpdb,royc1/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,snaga/postgres-xl,edespino/gpdb,janebeckman/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,zaksoup/gpdb,ovr/postgres-xl,ahachete/gpdb,xuegang/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,ahachete/gpdb,cjcjameson/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,arcivanov/postgres-xl,edespino/gpdb,cjcjameson/gpdb,janebeckman/gpdb,kaknikhil/gpdb,janebeckman/gpdb,jmcatamney/gpdb,50wu/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,Quikling/gpdb,techdragon/Postgres-XL,pavanvd/postgres-xl,Quikling/gpdb,xinzweb/gpdb,zaksoup/gpdb,xuegang/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,lintzc/gpdb,0x0FFF/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,lisakowen/gpdb,rvs/gpdb,snaga/postgres-xl,ashwinstar/gpdb,techdragon/Postgres-XL,CraigHarris/gpdb,Chibin/gpdb,rvs/gpdb,zaksoup/gpdb,yuanzhao/gpdb,Chibin/gpdb,xinzweb/gpdb,adam8157/gpdb,adam8157/gpdb,lintzc/gpdb,snaga/postgres-xl,janebeckman/gpdb,jmcatamney/gpdb,xuegang/gpdb,arcivanov/postgres-xl,Postgres-XL/Postgres-XL,Chibin/gpdb,50wu/gpdb,royc1/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,xuegang/gpdb,techdragon/Postgres-XL,chrishajas/gpdb,adam8157/gpdb,yazun/postgres-xl,rvs/gpdb,edespino/gpdb,50wu/gpdb,Quikling/gpdb,lisakowen/gpdb,Quikling/gpdb,zaksoup/gpdb,0x0FFF/gpdb,snaga/postgres-xl,lintzc/gpdb,chrishajas/gpdb,rvs/gpdb,yazun/postgres-xl,janebeckman/gpdb,adam8157/gpdb,yuanzhao/gpdb,royc1/gpdb,ovr/postgres-xl,greenplum-db/gpdb,pavanvd/postgres-xl,oberstet/postgres-xl,yazun/postgres-xl,yuanzhao/gpdb,xuegang/gpdb,cjcjameson/gpdb,lintzc/gpdb,techdragon/Postgres-XL,chrishajas/gpdb,lintzc/gpdb,ovr/postgres-xl,edespino/gpdb,0x0FFF/gpdb,CraigHarris/gpdb,Chibin/gpdb,0x0FFF/gpdb,CraigHarris/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,rvs/gpdb,postmind-net/postgres-xl,edespino/gpdb,CraigHarris/gpdb,arcivanov/postgres-xl,Postgres-XL/Postgres-XL,postmind-net/postgres-xl,ashwinstar/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,arcivanov/postgres-xl,kaknikhil/gpdb,CraigHarris/gpdb,Quikling/gpdb,tpostgres-projects/tPostgres,oberstet/postgres-xl,yuanzhao/gpdb,ashwinstar/gpdb,lintzc/gpdb,zeroae/postgres-xl,lisakowen/gpdb,ahachete/gpdb,kmjungersen/PostgresXL,rvs/gpdb