Document that Cygwin does not support OpenSSL.
Document that Cygwin does not support OpenSSL.

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