Add comment about exception lists in both winnt.h and ntstatus.h.
Add comment about exception lists in both winnt.h and ntstatus.h.

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