-----------------------------------------------------------
2497.479.10 Sergei Golubchik    2008-08-27
            proc_info_hook, mysys access to thd->proc_info

This patch is necessary for backport of WL#4284 "Transactional
DDL locking".


include/my_global.h:
  proc_info_hook
include/my_sys.h:
   proc_info_hook
mysys/my_static.c:
  proc_info_hook
sql/mysqld.cc:
  proc_info_hook
sql/sql_class.cc:
  proc_info_hook