Add missing #includes, needed on some platforms. This should make the unixware buildfarm animals happy again.
Add missing #includes, needed on some platforms. This should make
the unixware buildfarm animals happy again.

ovr/postgres-xl,postmind-net/postgres-xl,yazun/postgres-xl,50wu/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,arcivanov/postgres-xl,50wu/gpdb,adam8157/gpdb,postmind-net/postgres-xl,jmcatamney/gpdb,50wu/gpdb,lisakowen/gpdb,ovr/postgres-xl,yazun/postgres-xl,snaga/postgres-xl,arcivanov/postgres-xl,zeroae/postgres-xl,lisakowen/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,xinzweb/gpdb,adam8157/gpdb,snaga/postgres-xl,techdragon/Postgres-XL,zeroae/postgres-xl,techdragon/Postgres-XL,50wu/gpdb,kmjungersen/PostgresXL,greenplum-db/gpdb,xinzweb/gpdb,kmjungersen/PostgresXL,adam8157/gpdb,ashwinstar/gpdb,50wu/gpdb,arcivanov/postgres-xl,oberstet/postgres-xl,jmcatamney/gpdb,pavanvd/postgres-xl,yazun/postgres-xl,50wu/gpdb,snaga/postgres-xl,greenplum-db/gpdb,snaga/postgres-xl,lisakowen/gpdb,ashwinstar/gpdb,pavanvd/postgres-xl,techdragon/Postgres-XL,greenplum-db/gpdb,yazun/postgres-xl,Postgres-XL/Postgres-XL,kmjungersen/PostgresXL,tpostgres-projects/tPostgres,tpostgres-projects/tPostgres,oberstet/postgres-xl,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,lisakowen/gpdb,adam8157/gpdb,oberstet/postgres-xl,jmcatamney/gpdb,ashwinstar/gpdb,50wu/gpdb,Postgres-XL/Postgres-XL,oberstet/postgres-xl,adam8157/gpdb,arcivanov/postgres-xl,pavanvd/postgres-xl,jmcatamney/gpdb,xinzweb/gpdb,50wu/gpdb,jmcatamney/gpdb,postmind-net/postgres-xl,oberstet/postgres-xl,ovr/postgres-xl,ashwinstar/gpdb,adam8157/gpdb,pavanvd/postgres-xl,xinzweb/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,xinzweb/gpdb,adam8157/gpdb,jmcatamney/gpdb,adam8157/gpdb,yazun/postgres-xl,greenplum-db/gpdb,ashwinstar/gpdb,lisakowen/gpdb,greenplum-db/gpdb,zeroae/postgres-xl,kmjungersen/PostgresXL,zeroae/postgres-xl,lisakowen/gpdb,ashwinstar/gpdb,snaga/postgres-xl,greenplum-db/gpdb,Postgres-XL/Postgres-XL,tpostgres-projects/tPostgres,postmind-net/postgres-xl,zeroae/postgres-xl,greenplum-db/gpdb,ovr/postgres-xl,xinzweb/gpdb,techdragon/Postgres-XL,pavanvd/postgres-xl,xinzweb/gpdb,kmjungersen/PostgresXL,ovr/postgres-xl,postmind-net/postgres-xl,jmcatamney/gpdb,greenplum-db/gpdb,arcivanov/postgres-xl,techdragon/Postgres-XL,xinzweb/gpdb,jmcatamney/gpdb