Call log_invalid_page() with MAIN_FORKNUM for AO.
Call log_invalid_page() with MAIN_FORKNUM for AO.

Fixing compilation error introduced due to commit
321c0529c947753ee0fe86047ff20b41cc0b6fae with --enable-segwalrep.

jmcatamney/gpdb,edespino/gpdb,jmcatamney/gpdb,adam8157/gpdb,yuanzhao/gpdb,edespino/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,Chibin/gpdb,adam8157/gpdb,50wu/gpdb,lisakowen/gpdb,edespino/gpdb,greenplum-db/gpdb,xinzweb/gpdb,edespino/gpdb,edespino/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,50wu/gpdb,xinzweb/gpdb,xinzweb/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,50wu/gpdb,adam8157/gpdb,edespino/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,Chibin/gpdb,yuanzhao/gpdb,edespino/gpdb,adam8157/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,edespino/gpdb,lisakowen/gpdb,jmcatamney/gpdb,xinzweb/gpdb,lisakowen/gpdb,Chibin/gpdb,Chibin/gpdb,xinzweb/gpdb,lisakowen/gpdb,50wu/gpdb,lisakowen/gpdb,lisakowen/gpdb,xinzweb/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,Chibin/gpdb,Chibin/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,adam8157/gpdb,greenplum-db/gpdb,edespino/gpdb,yuanzhao/gpdb,50wu/gpdb,ashwinstar/gpdb,50wu/gpdb,Chibin/gpdb,50wu/gpdb,greenplum-db/gpdb,edespino/gpdb,Chibin/gpdb,Chibin/gpdb,lisakowen/gpdb,50wu/gpdb,greenplum-db/gpdb,lisakowen/gpdb,adam8157/gpdb,adam8157/gpdb,ashwinstar/gpdb,Chibin/gpdb,xinzweb/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,adam8157/gpdb,xinzweb/gpdb,ashwinstar/gpdb