Fix when using auto_increment and last_insert_id() in the same insert statement.

sql/sql_base.cc:
  S

mysql-test/r/rpl_insert_id.result

+a
+1
+2
+3
+4
+b	c
+1	4
+a
+10
+11
+12
+13
+b	c
+5	0
+6	11

mysql-test/t/rpl_insert_id.test

+#see if queries that use both
+#auto_increment and LAST_INSERT_ID()
+#are replicated well
+source include/master-slave.inc;
+connection master;
+drop table if exists t1;
+create table t1(a int auto_increment, key(a));
+create table t2(b int auto_increment, c int, key(b));
+insert into t1 values (1),(2),(3);
+insert into t1 values (null);
+insert into t2 values (null,last_insert_id());
+save_master_pos;
+connection slave;
+sync_with_master;
+select * from t1;
+select * from t2;
+connection master;
+#check if multi-line inserts,
+#which set last_insert_id to the first id inserted,
+#are replicated the same way
+drop table t1;
+drop table t2;
+create table t1(a int auto_increment, key(a));
+create table t2(b int auto_increment, c int, key(b));
+insert into t1 values (10);
+insert into t1 values (null),(null),(null);
+insert into t2 values (5,0);
+insert into t2 values (null,last_insert_id());
+save_master_pos;
+connection slave;
+sync_with_master;
+select * from t1;
+select * from t2;
+connection master;
+drop table t1;
+drop table t2;
+save_master_pos;
+connection slave;
+sync_with_master;

sql/log.cc

@@ -697,7 +697,7 @@ bool MYSQL_LOG::write(Query_log_event* event_info)
     
     if (thd->last_insert_id_used)
     {
-      Intvar_log_event e((uchar)LAST_INSERT_ID_EVENT, thd->last_insert_id);
+      Intvar_log_event e((uchar)LAST_INSERT_ID_EVENT, thd->current_insert_id);
       if(thd->server_id)
 	e.server_id = thd->server_id;
       if (e.write(file))

sql/sql_base.cc

@@ -522,26 +522,19 @@ void close_temporary_tables(THD *thd)
 {
   TABLE *table,*next;
   char *query, *end;
-  const uint init_query_buf_size = 11;		// "drop table "
   uint query_buf_size; 
   bool found_user_tables = 0;
-  
   LINT_INIT(end);
-  query_buf_size = init_query_buf_size;
-
-  for (table=thd->temporary_tables ; table ; table=table->next)
-  {
-    query_buf_size += table->key_length;
-  }
 
-  if (query_buf_size == init_query_buf_size)
+  if (!thd->temporary_tables)
     return; // no tables to close
 
+  query_buf_size= 11;				// "drop table "
+  for (table=thd->temporary_tables ; table ; table=table->next)
+    query_buf_size+= table->key_length +1;
+
   if ((query = alloc_root(&thd->mem_root, query_buf_size)))
-  {
-    memcpy(query, "drop table ", init_query_buf_size);
-    end = query + init_query_buf_size;
-  }
+    end= strmov(query, "drop table ");
 
   for (table=thd->temporary_tables ; table ; table=next)
   {