Merge mysql.com:/home/hf/work/mysql-4.1-mrg

into  mysql.com:/home/hf/work/mysql-5.0-mrg

sql/sql_class.h

@@ -1102,6 +1102,12 @@ public:
   struct st_mysql_data **data_tail;
   void clear_data_list();
   struct st_mysql_data *alloc_new_dataset();
+  /*
+    In embedded server it points to the statement that is processed
+    in the current query. We store some results directly in statement
+    fields then.
+  */
+  struct st_mysql_stmt *current_stmt;
 #endif
   NET	  net;				// client connection descriptor
   MEM_ROOT warn_root;			// For warnings and errors