Fixed ECPG regression test to make sure it uses absolute paths for include files instead of relative ones which break vpath builds.
Fixed ECPG regression test to make sure it uses absolute paths for include
files instead of relative ones which break vpath builds.

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