Update "clients" submodule reference, for removal fo cdbdistributedxidmap.h.
Update "clients" submodule reference, for removal fo cdbdistributedxidmap.h.

The file was being included in the Windows installers, which caused the
Windows build to fail once the file was removed.

rubikloud/gpdb,Quikling/gpdb,zaksoup/gpdb,lintzc/gpdb,cjcjameson/gpdb,CraigHarris/gpdb,rvs/gpdb,atris/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,ahachete/gpdb,zaksoup/gpdb,Chibin/gpdb,royc1/gpdb,yuanzhao/gpdb,rubikloud/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,xuegang/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,Chibin/gpdb,jmcatamney/gpdb,janebeckman/gpdb,kaknikhil/gpdb,foyzur/gpdb,adam8157/gpdb,foyzur/gpdb,atris/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,rvs/gpdb,ahachete/gpdb,foyzur/gpdb,atris/gpdb,kaknikhil/gpdb,Quikling/gpdb,Quikling/gpdb,rubikloud/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,ahachete/gpdb,royc1/gpdb,Chibin/gpdb,tangp3/gpdb,chrishajas/gpdb,Chibin/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,lintzc/gpdb,cjcjameson/gpdb,adam8157/gpdb,Chibin/gpdb,foyzur/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,ahachete/gpdb,rvs/gpdb,rubikloud/gpdb,CraigHarris/gpdb,ahachete/gpdb,Quikling/gpdb,xinzweb/gpdb,0x0FFF/gpdb,foyzur/gpdb,chrishajas/gpdb,greenplum-db/gpdb,edespino/gpdb,xuegang/gpdb,chrishajas/gpdb,randomtask1155/gpdb,royc1/gpdb,randomtask1155/gpdb,janebeckman/gpdb,Chibin/gpdb,yuanzhao/gpdb,xuegang/gpdb,lpetrov-pivotal/gpdb,tangp3/gpdb,lintzc/gpdb,lpetrov-pivotal/gpdb,Quikling/gpdb,randomtask1155/gpdb,lpetrov-pivotal/gpdb,50wu/gpdb,50wu/gpdb,atris/gpdb,CraigHarris/gpdb,lintzc/gpdb,royc1/gpdb,lintzc/gpdb,tangp3/gpdb,xinzweb/gpdb,ahachete/gpdb,royc1/gpdb,randomtask1155/gpdb,0x0FFF/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,rubikloud/gpdb,xuegang/gpdb,CraigHarris/gpdb,foyzur/gpdb,edespino/gpdb,xuegang/gpdb,rvs/gpdb,Chibin/gpdb,greenplum-db/gpdb,lpetrov-pivotal/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,royc1/gpdb,Quikling/gpdb,janebeckman/gpdb,lisakowen/gpdb,50wu/gpdb,xinzweb/gpdb,lisakowen/gpdb,adam8157/gpdb,yuanzhao/gpdb,lintzc/gpdb,xinzweb/gpdb,kaknikhil/gpdb,rvs/gpdb,zaksoup/gpdb,atris/gpdb,jmcatamney/gpdb,chrishajas/gpdb,janebeckman/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,zaksoup/gpdb,foyzur/gpdb,Quikling/gpdb,50wu/gpdb,xinzweb/gpdb,lpetrov-pivotal/gpdb,atris/gpdb,ahachete/gpdb,tangp3/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,rubikloud/gpdb,Chibin/gpdb,tangp3/gpdb,50wu/gpdb,yuanzhao/gpdb,edespino/gpdb,cjcjameson/gpdb,xinzweb/gpdb,lisakowen/gpdb,lpetrov-pivotal/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,rvs/gpdb,tangp3/gpdb,lintzc/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,tangp3/gpdb,royc1/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,xuegang/gpdb,xinzweb/gpdb,xinzweb/gpdb,lisakowen/gpdb,chrishajas/gpdb,xuegang/gpdb,janebeckman/gpdb,xuegang/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,Quikling/gpdb,CraigHarris/gpdb,0x0FFF/gpdb,edespino/gpdb,cjcjameson/gpdb,xuegang/gpdb,Quikling/gpdb,cjcjameson/gpdb,Chibin/gpdb,edespino/gpdb,chrishajas/gpdb,edespino/gpdb,jmcatamney/gpdb,adam8157/gpdb,chrishajas/gpdb,zaksoup/gpdb,zaksoup/gpdb,greenplum-db/gpdb,0x0FFF/gpdb,adam8157/gpdb,zaksoup/gpdb,edespino/gpdb,rvs/gpdb,chrishajas/gpdb,randomtask1155/gpdb,edespino/gpdb,randomtask1155/gpdb,CraigHarris/gpdb,ahachete/gpdb,rubikloud/gpdb,royc1/gpdb,CraigHarris/gpdb,Quikling/gpdb,lisakowen/gpdb,lisakowen/gpdb,ashwinstar/gpdb,50wu/gpdb,janebeckman/gpdb,cjcjameson/gpdb,rvs/gpdb,janebeckman/gpdb,kaknikhil/gpdb,lisakowen/gpdb,janebeckman/gpdb,greenplum-db/gpdb,zaksoup/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,randomtask1155/gpdb,ashwinstar/gpdb,rubikloud/gpdb,edespino/gpdb,jmcatamney/gpdb,50wu/gpdb,lisakowen/gpdb,adam8157/gpdb,yuanzhao/gpdb,lintzc/gpdb,atris/gpdb,edespino/gpdb,rvs/gpdb,adam8157/gpdb,janebeckman/gpdb,lintzc/gpdb,tangp3/gpdb,Chibin/gpdb,atris/gpdb,janebeckman/gpdb,kaknikhil/gpdb,rvs/gpdb,adam8157/gpdb,ashwinstar/gpdb