Add comment explaining possible compiler warning:
Add comment explaining possible compiler warning:

    /*
     *  Some compilers with throw a warning knowing this test can never be
     *  true because off_t can't exceed the compared maximum.
     */
    if (th->fileLen > MAX_TAR_MEMBER_FILELEN)
        die_horribly(AH, modulename, "archive member too large for tar format\n");

yazun/postgres-xl,xinzweb/gpdb,arcivanov/postgres-xl,zaksoup/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,ovr/postgres-xl,tangp3/gpdb,Quikling/gpdb,royc1/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,edespino/gpdb,atris/gpdb,randomtask1155/gpdb,rvs/gpdb,CraigHarris/gpdb,zaksoup/gpdb,lpetrov-pivotal/gpdb,ashwinstar/gpdb,zaksoup/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,techdragon/Postgres-XL,atris/gpdb,atris/gpdb,royc1/gpdb,Quikling/gpdb,cjcjameson/gpdb,lpetrov-pivotal/gpdb,rvs/gpdb,Chibin/gpdb,janebeckman/gpdb,arcivanov/postgres-xl,rvs/gpdb,lisakowen/gpdb,techdragon/Postgres-XL,zaksoup/gpdb,jmcatamney/gpdb,lisakowen/gpdb,yuanzhao/gpdb,tangp3/gpdb,foyzur/gpdb,ahachete/gpdb,tangp3/gpdb,ashwinstar/gpdb,0x0FFF/gpdb,lintzc/gpdb,Postgres-XL/Postgres-XL,zaksoup/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,kmjungersen/PostgresXL,atris/gpdb,royc1/gpdb,zeroae/postgres-xl,Quikling/gpdb,rvs/gpdb,snaga/postgres-xl,edespino/gpdb,foyzur/gpdb,janebeckman/gpdb,tpostgres-projects/tPostgres,Postgres-XL/Postgres-XL,janebeckman/gpdb,arcivanov/postgres-xl,xinzweb/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,rubikloud/gpdb,xuegang/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,rubikloud/gpdb,foyzur/gpdb,ashwinstar/gpdb,rubikloud/gpdb,arcivanov/postgres-xl,kaknikhil/gpdb,edespino/gpdb,ahachete/gpdb,atris/gpdb,50wu/gpdb,50wu/gpdb,CraigHarris/gpdb,50wu/gpdb,royc1/gpdb,chrishajas/gpdb,rubikloud/gpdb,chrishajas/gpdb,edespino/gpdb,royc1/gpdb,lintzc/gpdb,50wu/gpdb,snaga/postgres-xl,atris/gpdb,xuegang/gpdb,yuanzhao/gpdb,rvs/gpdb,foyzur/gpdb,oberstet/postgres-xl,lintzc/gpdb,Chibin/gpdb,0x0FFF/gpdb,pavanvd/postgres-xl,cjcjameson/gpdb,CraigHarris/gpdb,xinzweb/gpdb,ahachete/gpdb,janebeckman/gpdb,lisakowen/gpdb,zaksoup/gpdb,oberstet/postgres-xl,snaga/postgres-xl,techdragon/Postgres-XL,adam8157/gpdb,lintzc/gpdb,jmcatamney/gpdb,ovr/postgres-xl,tangp3/gpdb,techdragon/Postgres-XL,greenplum-db/gpdb,techdragon/Postgres-XL,foyzur/gpdb,kaknikhil/gpdb,snaga/postgres-xl,lintzc/gpdb,50wu/gpdb,adam8157/gpdb,Quikling/gpdb,rubikloud/gpdb,jmcatamney/gpdb,kmjungersen/PostgresXL,randomtask1155/gpdb,rubikloud/gpdb,foyzur/gpdb,zaksoup/gpdb,tpostgres-projects/tPostgres,yuanzhao/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,zeroae/postgres-xl,tangp3/gpdb,rvs/gpdb,chrishajas/gpdb,CraigHarris/gpdb,rvs/gpdb,tangp3/gpdb,Quikling/gpdb,lintzc/gpdb,tpostgres-projects/tPostgres,adam8157/gpdb,arcivanov/postgres-xl,lpetrov-pivotal/gpdb,ashwinstar/gpdb,lisakowen/gpdb,Chibin/gpdb,xuegang/gpdb,xuegang/gpdb,arcivanov/postgres-xl,yuanzhao/gpdb,postmind-net/postgres-xl,xuegang/gpdb,0x0FFF/gpdb,royc1/gpdb,edespino/gpdb,randomtask1155/gpdb,chrishajas/gpdb,royc1/gpdb,zeroae/postgres-xl,ahachete/gpdb,tpostgres-projects/tPostgres,adam8157/gpdb,xinzweb/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,CraigHarris/gpdb,tangp3/gpdb,yazun/postgres-xl,CraigHarris/gpdb,kmjungersen/PostgresXL,yazun/postgres-xl,0x0FFF/gpdb,yazun/postgres-xl,ahachete/gpdb,kaknikhil/gpdb,tangp3/gpdb,ashwinstar/gpdb,ovr/postgres-xl,xinzweb/gpdb,edespino/gpdb,lisakowen/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,snaga/postgres-xl,lisakowen/gpdb,lpetrov-pivotal/gpdb,edespino/gpdb,janebeckman/gpdb,kaknikhil/gpdb,oberstet/postgres-xl,randomtask1155/gpdb,adam8157/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,Quikling/gpdb,ahachete/gpdb,atris/gpdb,foyzur/gpdb,xinzweb/gpdb,yuanzhao/gpdb,janebeckman/gpdb,xinzweb/gpdb,lpetrov-pivotal/gpdb,Quikling/gpdb,cjcjameson/gpdb,postmind-net/postgres-xl,Chibin/gpdb,edespino/gpdb,Chibin/gpdb,Chibin/gpdb,0x0FFF/gpdb,Chibin/gpdb,Chibin/gpdb,ashwinstar/gpdb,50wu/gpdb,xuegang/gpdb,yuanzhao/gpdb,xinzweb/gpdb,rubikloud/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,randomtask1155/gpdb,Quikling/gpdb,zeroae/postgres-xl,edespino/gpdb,adam8157/gpdb,kmjungersen/PostgresXL,Postgres-XL/Postgres-XL,greenplum-db/gpdb,xuegang/gpdb,CraigHarris/gpdb,yuanzhao/gpdb,lintzc/gpdb,rvs/gpdb,greenplum-db/gpdb,chrishajas/gpdb,CraigHarris/gpdb,ovr/postgres-xl,cjcjameson/gpdb,rubikloud/gpdb,0x0FFF/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,foyzur/gpdb,janebeckman/gpdb,janebeckman/gpdb,cjcjameson/gpdb,adam8157/gpdb,xuegang/gpdb,yuanzhao/gpdb,postmind-net/postgres-xl,lisakowen/gpdb,janebeckman/gpdb,chrishajas/gpdb,jmcatamney/gpdb,Quikling/gpdb,chrishajas/gpdb,rvs/gpdb,CraigHarris/gpdb,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,chrishajas/gpdb,yazun/postgres-xl,pavanvd/postgres-xl,jmcatamney/gpdb,lpetrov-pivotal/gpdb,cjcjameson/gpdb,ovr/postgres-xl,janebeckman/gpdb,ahachete/gpdb,edespino/gpdb,atris/gpdb,jmcatamney/gpdb,adam8157/gpdb,yuanzhao/gpdb,ahachete/gpdb,50wu/gpdb,kaknikhil/gpdb,randomtask1155/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,jmcatamney/gpdb,50wu/gpdb,cjcjameson/gpdb,pavanvd/postgres-xl,lpetrov-pivotal/gpdb,Chibin/gpdb,postmind-net/postgres-xl,oberstet/postgres-xl,kmjungersen/PostgresXL,Chibin/gpdb,xuegang/gpdb,randomtask1155/gpdb,Quikling/gpdb,royc1/gpdb,lintzc/gpdb,cjcjameson/gpdb,lintzc/gpdb,zaksoup/gpdb