Merge a change from MySQL AB:

ChangeSet@1.2528.115.30  2007-08-28 10:17:15-06:00  tsmith@hindu.god

Fix another compiler warning on Windows in InnoDB.

ha_innodb.cc:

Fix compiler warning: ::get_auto_increment takes a ulonglong
for nb_desired_values, but InnoDB's trx struct stores it as
a ulint (unsigned long).  Probably harmless, as a single
statement won't be asking for more than 2^32 rows.

handler/ha_innodb.cc

@@ -7343,7 +7343,7 @@ ha_innobase::get_auto_increment(
 	/* Called for the first time ? */
 	if (trx->n_autoinc_rows == 0) {
 
-		trx->n_autoinc_rows = nb_desired_values;
+		trx->n_autoinc_rows = (ulint) nb_desired_values;
 
 		/* It's possible for nb_desired_values to be 0:
 		e.g., INSERT INTO T1(C) SELECT C FROM T2; */