Fix delta time decoding for 12 AM/PM.
Fix delta time decoding for 12 AM/PM.

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