De-parallelize ecpg build some more.
De-parallelize ecpg build some more.

Make sure ecpg/include/ is rebuilt before the other subdirectories,
so that ecpg_config.h is up to date.  This is not likely to matter
during production builds, only development, so no back-patch.

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