Fix erroneous error reporting for overlength input in text_date(), text_time(), and text_timetz().  7.4-vintage bug found by Greg Stark.
Fix erroneous error reporting for overlength input in text_date(),
text_time(), and text_timetz().  7.4-vintage bug found by Greg Stark.

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