applied patch from Liam Stewart
applied patch from Liam Stewart

If one is trying to compile a JDBC 1 driver and junit.jar is in the
CLASSPATH, then the build fails as ant tries to build the JDBC 2 test
classes. This patch fixes this problem by excluding the jdbc 2 files
unless the jdk1.2+ property is set.

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