bringing handlerton-win.cc back after incorrectly deleteing it. It is not...

bringing handlerton-win.cc back after incorrectly deleteing it.  It is not needed for 5.1 or later but is used by 5.0 

sql/handlerton-win.cc

+#include "mysql_priv.h"
+
+extern handlerton heap_hton;
+extern handlerton myisam_hton;
+extern handlerton myisammrg_hton;
+extern handlerton binlog_hton;
+#ifdef WITH_INNOBASE_STORAGE_ENGINE
+extern handlerton innobase_hton;
+#endif
+#ifdef WITH_BERKELEY_STORAGE_ENGINE
+extern handlerton berkeley_hton;
+#endif
+#ifdef WITH_EXAMPLE_STORAGE_ENGINE
+extern handlerton example_hton;
+#endif
+#ifdef WITH_ARCHIVE_STORAGE_ENGINE
+extern handlerton archive_hton;
+#endif
+#ifdef WITH_CSV_STORAGE_ENGINE
+extern handlerton tina_hton;
+#endif
+#ifdef WITH_BLACKHOLE_STORAGE_ENGINE
+extern handlerton blackhole_hton;
+#endif
+#ifdef WITH_FEDERATED_STORAGE_ENGINE
+extern handlerton federated_hton;
+#endif
+#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
+extern handlerton ndbcluster_hton;
+#endif
+#ifdef WITH_PARTITION_STORAGE_ENGINE
+extern handlerton partition_hton;
+#endif
+
+/*
+  This array is used for processing compiled in engines.
+*/
+handlerton *sys_table_types[]=
+{
+  &heap_hton,
+  &myisam_hton,
+#ifdef WITH_INNOBASE_STORAGE_ENGINE
+  &innobase_hton,
+#endif
+#ifdef WITH_BERKELEY_STORAGE_ENGINE
+  &berkeley_hton,
+#endif
+#ifdef WITH_EXAMPLE_STORAGE_ENGINE
+  &example_hton,
+#endif
+#ifdef WITH_ARCHIVE_STORAGE_ENGINE
+  &archive_hton,
+#endif
+#ifdef WITH_CSV_STORAGE_ENGINE
+  &tina_hton,
+#endif
+#ifdef WITH_BLACKHOLE_STORAGE_ENGINE
+  &blackhole_hton,
+#endif
+#ifdef WITH_FEDERATED_STORAGE_ENGINE
+  &federated_hton,
+#endif
+#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
+  &ndbcluster_hton,
+#endif
+#ifdef WITH_PARTITION_STORAGE_ENGINE
+  &partition_hton,
+#endif
+  &myisammrg_hton,
+  &binlog_hton,
+  NULL
+};