This patch fixes an incorrect statement and makes a few cleanups to contrib/fulltextindex/README.fti
This patch fixes an incorrect statement and makes a few cleanups to
contrib/fulltextindex/README.fti

Backpatched to 7.3.X too.

Neil Conway

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