Put back #include <time.h> needed for localtime_r().
Put back #include <time.h> needed for localtime_r().

Linux systems don't seem to mind, probably because time.h gets pulled in
inderectly via some other header. But the Windows job in the pipeline
failed because of this.

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